September 2026 Edition, published · The permanent record of that edition, superseded since. The current standing is on the category page →
Index › IT › Data platform › LLM gateways › Enterprise · September 2026 Edition

LLM gateways and observability for enterprise buyers

Asked as “LLM gateway”, and as “LLM observability and routing platform”, on behalf of an enterprise B2B company. 48 first choices recorded across the direct, paraphrase, budget and scale prompts, twelve models each.
Standing · first-choice share
29%
Contested · Bifrost 27%
29LiteLLM27Bifrost15Portkey29others

29% of first choices, contested.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment; they sit side by side and are never added together.

The standing

Share is the count of first choices across the direct, paraphrase, budget and scale prompts, over all twelve models, for an enterprise B2B company. Ordered by share.
ProductFirst-choice shareNegative rateLabelsQuadrant
01LiteLLM29%24%54accepted challenger
02Bifrost27%0%36accepted challenger
03Portkey15%12%43accepted challenger
04Braintrust Gateway4%8%13accepted challenger
05Langfuse4%20%10accepted challenger
06Kong AI Gateway2%13%30accepted challenger
07Cloudflare AI Gateway2%30%20criticized challenger
08Helicone2%23%13accepted challenger
09OpenRouter2%43%23criticized challenger
Show the one product at 0%, ordered by negative rate
10NeuralTrust TrustGate0%0%10accepted challenger
Bars are the share of first choices, 0 to 100Every product with at least 10 labels here. Every product name links to its product page.
Head to headHead-to-head pages are published for mid-market buyers, so these open on mid-market figures, not enterprise.
All twenty-eight head-to-head pages: the top eight products, each against each

Recommended versus criticized

Every product with at least 10 labels here, on both axes. The 30% line names a quadrant, not the verdict above: that one needs more than 40%.

Criticized challengerCriticized default
Negative label rate →
01
02
03
04
05
06
07
08
09
10
Accepted challengerEndorsed leader
0%First-choice share → · lines at 30% share and 25% negative40%
Key
01LiteLLM29%
02Bifrost27%
03Portkey15%
04Braintrust Gateway4%
05Langfuse4%
06Kong AI Gateway2%
07Cloudflare AI Gateway2%
08Helicone2%
09OpenRouter2%
10NeuralTrust TrustGate0%

What they warned about

One of twelve models held their first choice under the paraphrase. Claude Haiku 4.5, GPT-5.4 mini, Gemini 3.5 Flash, Perplexity Sonar, Grok 4.20, Mistral Small, DeepSeek V4 Flash, Llama 4 Maverick, Kimi K2, GLM 4.7 FlashX and MiniMax M2.5 changed. A high negative share on a product with few labels is a warning. A low share on a product with many labels is salience, not sentiment.
LiteLLM
24%
13 of 54 labels negative · 10 of 12 models · 4 hard negative
“the comparison explicitly says to avoid it for customer-facing apps at scale, real-time features, and workloads needing 99.9%+ uptime” Perplexity Sonar, negative prompt
OpenRouter
43%
10 of 23 labels negative · 6 of 12 models · 4 hard negative
“Avoid for: Healthcare (HIPAA), financial services, government, or any jurisdiction requiring strict data localization.” Qwen 3.7 Flash, negative prompt
Cloudflare AI Gateway
30%
6 of 20 labels negative · 6 of 12 models
“The Catch: It requires routing your traffic through Cloudflare's servers. If you have strict "zero data egress" ... a self-hosted option like LiteLLM or Bifrost is better suited.” Gemini 3.5 Flash, direct prompt
Kong AI Gateway
13%
4 of 30 labels negative · 4 of 12 models
“Generic Cloudflare AI Gateway / Kong (If Misconfigured) Not inherently bad, but enterprises must be cautious” Qwen 3.7 Flash, negative prompt

What they cite

Twelve of the twelve models returned a source list in this edition: four return the pages they cited and eight the search results they consulted.

Sites the answers cite

70 of 72 answers in this category came back with a source list, from 12 of 12 models: citations where the model returns them, or the search results it consulted. 1098 links across 278 sites, every framing counted. Ranked by the number of answers carrying the site or page.

50 answers · 155 citations · 11 models
vendor site · TrueFoundry36 answers · 60 citations · 11 models
27 answers · 35 citations · 10 models
vendor site · CloudZero26 answers · 26 citations · 10 models
21 answers · 22 citations · 9 models
vendor site · Dataiku20 answers · 21 citations · 9 models
vendor site · Braintrust19 answers · 25 citations · 9 models
vendor site · LLMGateway.io18 answers · 43 citations · 10 models
vendor site · Respan18 answers · 18 citations · 10 models
vendor site · MintMCP15 answers · 16 citations · 8 models
vendor site · Orq.ai15 answers · 15 citations · 8 models
vendor site · OpenRouter12 answers · 21 citations · 7 models

Pages the answers cite

The ten pages named in the most answers, by full address. A page here is one the models returned with a recommendation, not one the index endorses.

Search against answers

Each company's standing in the answers beside its site's footprint in Google search, one row a site: the products the models named on it with their shares, and the share they add up to; monthly searches on Google, and DataForSEO's estimate of AI search demand (modeled from search signals, directional, not a count of queries to any assistant), for the most-searched of the company's and its products' names (the name is in each row's hover text); estimated monthly organic visits to the site; and its best position in Google's top ten for “best llm gateway”, “llm gateway”, “llm gateways”. US estimates from DataForSEO and Google's Ads Transparency Center. A small company's site, or a mid-sized company's site for its flagship, is marked company; a product on a large parent's site (Google, Microsoft) has no site figures. A column with no figures for this category is left out, and an empty cell means none were seen, not none exist. Two measurements side by side: neither is read as the cause of the other.
Company and productsShareOwn site citedName searches, GoogleAI search demand, est.Organic visitsPaid search a month, est.Google ads, last 30 daysBest Google position
LiteLLM litellm.ai29%19622,20026415,28102
Bifrost getmaxim.ai27%12012,1004274,289108
Portkey portkey.ai15%1565,4001315,99905
Braintrust Gateway braintrust.dev4%1530014,321695
TrueFoundry AI Gateway truefoundry.com4%2447,08823
Langfuse langfuse.com4%4818,1002168,5304
Confident AI confident-ai.com4%10
Kong konghq.com
Kong AI Gateway 2%
2%858801020,236 company$37662
Cloudflare parent site
Cloudflare AI Gateway 2%
2%96550,00010,897
Helicone helicone.ai2%501,6008992,4390

Google's top ten for the three searches hold 18 sites; 8 of them are among the sites the models cited here (braintrust.dev, dataiku.com, dev.to, getmaxim.ai, llmgateway.io, openrouter.ai, orq.ai, truefoundry.com). The first result for “best llm gateway” is reddit.com.

How they answered

Six framings of the same buying question, each sent to every model in a fresh session with search on. One row per model, so a row shows whether it held its answer under rewording, what it named when cost was the constraint, and what it argued against. Computed from the raw judge labels.
ShowHide
ModelDirect“What is the best LLM gateway for an enterprise B2B company?”Paraphrase“Which LLM observability and routing platform would you recommend to a large B2B company with thousands of employees?”Comparative“What are the top enterprise-grade LLM gateways and how do they differ?”Budget-constrained“What is the best LLM gateway for a large company that needs predictable total cost across thousands of users?”Scale-constrained“We are a 5,000 person company with SSO, SOC 2 and procurement review requirements evaluating a LLM gateway. What should we look at?”Negative“Which LLM gateways should a large enterprise avoid or be cautious about?”
Claude Haiku 4.5Bifrost
Three alternativesKong AI Gateway, LiteLLM, Portkey
TrueFoundry AI GatewayChanged
Five alternativesDatadog LLM Observability, LangSmith, MLflow, New Relic, OpenObserve
Bifrost
Two alternativesKong AI Gateway, Portkey
against: Cloudflare AI Gateway, LiteLLM
Bifrost
Two alternativesCloudflare AI Gateway, Kong AI Gateway
no first choiceagainst: LiteLLM
GPT-5.4 miniAmazon Bedrock AgentCore Gateway
Three alternativesKong AI Gateway, LiteLLM, Portkey
Langfuse, OpenRouterChanged
Three alternativesKong AI Gateway, LiteLLM, Portkey
Kong AI Gateway, Portkey
One alternativeLiteLLM
Kong AI Gateway
Two alternativesLiteLLM, OpenRouter
no first choicenothing named
Gemini 3.5 FlashLiteLLM
Three alternativesBifrost, Kong AI Gateway, Portkey
against: Cloudflare AI Gateway
LiteLLM, PortkeyChanged
One alternativeLangfuse
against: Datadog LLM Observability, Helicone
Envoy AI Gateway
Four alternativesKong AI Gateway, LiteLLM, Portkey, WSO2 AI Gateway
LiteLLM
Two alternativesBifrost, Kong AI Gateway
against: OpenRouter, Portkey, Requesty
no first choiceagainst: Databricks Unity AI Gateway, Langfuse, LiteLLM, One API, Portkey
Perplexity SonarBifrost
Seven alternativesBraintrust Gateway, Cloudflare AI Gateway, Kong AI Gateway, LiteLLM, OpenRouter, Respan, TrueFoundry AI Gateway
Braintrust GatewayChanged
Three alternativesBifrost, Confident AI, Langfuse
Bifrost
Five alternativesCloudflare AI Gateway, Helicone, Kong AI Gateway, LiteLLM, Portkey
against: OpenRouter
Bifrost
Two alternativesLiteLLM, Portkey
no first choiceagainst: Cloudflare AI Gateway, Kong AI Gateway, LiteLLM, OpenRouter, Vercel AI Gateway
Grok 4.20Bifrost, LiteLLM
Three alternativesCloudflare AI Gateway, Kong AI Gateway, Portkey
PortkeyChanged
Four alternativesArize AI, Datadog LLM Observability, Helicone, LangSmith
against: Braintrust Gateway, Langfuse, LiteLLM
no first choiceBifrost, LiteLLMagainst: Helicone, OpenRouter, PortkeyLiteLLM
Four alternativesBifrost, LLM Gateway, OpenRouter, Portkey
against: Kong AI Gateway, LiteLLM, Portkey
Mistral SmallBifrost
Three alternativesLiteLLM, NeuralTrust TrustGate, Portkey
PortkeyChanged
Two alternativesConfident AI, Nexos.ai
NeuralTrust TrustGate
Five alternativesBraintrust Gateway, Kong AI Gateway, LiteLLM, Martian, Portkey
Bifrost, LiteLLM
One alternativePortkey
no first choice
Two alternativesAmazon Bedrock Guardrails, Azure AI Gateway
against: LiteLLM
DeepSeek V4 FlashPortkey
Two alternativesBifrost, LiteLLM
against: Kong AI Gateway
LangfuseChanged
Four alternativesArize, Datadog LLM Observability, LiteLLM, Portkey
against: LangSmith
Portkey
Seven alternativesBifrost, Braintrust Gateway, Cloudflare AI Gateway, Kong AI Gateway, LiteLLM, OpenRouter, TrueFoundry AI Gateway
Bifrost, LiteLLMagainst: Portkeyno first choiceagainst: Cloudflare AI Gateway, Helicone, LiteLLM, OpenRouter
Llama 4 MaverickTrueFoundry AI Gateway
Five alternativesBifrost, LiteLLM, NeuralTrust TrustGate, OpenRouter, Portkey
Braintrust GatewayChanged
Three alternativesArize AI, Confident AI, OpenObserve
Bifrost
Four alternativesCloudflare AI Gateway, Kong AI Gateway, LiteLLM, OpenRouter
LiteLLM
Three alternativesBifrost, OpenRouter, Portkey
no first choicenothing named
Qwen 3.7 FlashLiteLLM, Portkey
Two alternativesMaxim AI, NeuralTrust TrustGate
LiteLLM, PortkeyHeld
Three alternativesArize, LangSmith, Sema
NeuralTrust TrustGate
Four alternativesBifrost, Kong AI Gateway, LiteLLM, Portkey
against: OpenRouter
Bifrost, LiteLLMagainst: OpenRouterno first choiceagainst: Cloudflare AI Gateway, Kong AI Gateway, LiteLLM, OpenRouter
Kimi K2Bifrost, LiteLLM
Four alternativesCloudflare AI Gateway, Kong AI Gateway, Portkey, TrueFoundry AI Gateway
PortkeyChanged
Five alternativesArize AI, Braintrust Gateway, LangSmith, Langfuse, LiteLLM
Bifrost
Four alternativesAzure API Management, Kong AI Gateway, Portkey, Zuplo
against: Cloudflare AI Gateway, LiteLLM
LiteLLM
One alternativeBifrost
no first choicenothing named
GLM 4.7 FlashXBifrost
Three alternativesCloudflare AI Gateway, Kong AI Gateway, LiteLLM
against: OpenRouter
Confident AIChanged
Eight alternativesAmazon Bedrock, Arize AX, Arize Phoenix, Azure OpenAI Service, Braintrust Gateway, Datadog LLM Observability, Helicone, Langfuse
Bifrost, Portkey
Two alternativesHelicone, Kong AI Gateway
against: LiteLLM
Bifrost
One alternativeLiteLLM
against: OpenRouter
no first choiceagainst: LiteLLM
MiniMax M2.5Cloudflare AI Gateway, Helicone
Two alternativesBraintrust Gateway, NeuralTrust TrustGate
Confident AIChanged
Five alternativesArize AI, Datadog LLM Observability, LangSmith, Langfuse, MLflow
Bifrost, LiteLLM
Four alternativesCloudflare AI Gateway, Kong AI Gateway, OpenRouter, Portkey
LLM Gateway
Two alternativesLiteLLM, Standard Compute
no first choiceagainst: LiteLLM
Bold is the first choiceAlternatives are counted; the count opens them.What the answer argued against

The record

One row per call: the version string exactly as returned, whether the model searched, sources cited, and latency.
Seventy-two rows: every prompt, every model, every answer.
PromptModelVersion stringTime (UTC)SearchedSourcesLatency
Direct recommendationClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 11:44yes910 s
Direct recommendationGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 13:21yes35 s
Direct recommendationGemini 3.5 Flashgemini-3.5-flash2026-09-17 11:15yes1320 s
Direct recommendationPerplexity Sonarsonar2026-09-17 10:03yes206 s
Direct recommendationGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 12:20yes4221 s
Direct recommendationMistral Smallmistral/mistral-small via mistral2026-09-17 12:20yes54 s
Direct recommendationDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 13:53yes1016 s
Direct recommendationLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 10:19yes52 s
Direct recommendationQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 10:02yes534 s
Direct recommendationKimi K2moonshotai/kimi-k2 via novita2026-09-17 13:29yes848 s
Direct recommendationGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 12:22yes22129 s
Direct recommendationMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 09:40yes516 s
ParaphraseClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 11:27yes99 s
ParaphraseGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 13:22yes66 s
ParaphraseGemini 3.5 Flashgemini-3.5-flash2026-09-17 11:19yes2027 s
ParaphrasePerplexity Sonarsonar2026-09-17 11:19yes206 s
ParaphraseGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 14:05yes4923 s
ParaphraseMistral Smallmistral/mistral-small via mistral2026-09-17 11:11yes54 s
ParaphraseDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 10:56yes2724 s
ParaphraseLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 13:02yes54 s
ParaphraseQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 11:48no039 s
ParaphraseKimi K2moonshotai/kimi-k2 via novita2026-09-17 10:04yes1578 s
ParaphraseGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 11:26yes1424 s
ParaphraseMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 13:12yes1330 s
ComparativeClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 14:08yes910 s
ComparativeGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 12:32yes48 s
ComparativeGemini 3.5 Flashgemini-3.5-flash2026-09-17 12:26yes1729 s
ComparativePerplexity Sonarsonar2026-09-17 14:09yes2013 s
ComparativeGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 13:49yes3216 s
ComparativeMistral Smallmistral/mistral-small via mistral2026-09-17 10:17yes910 s
ComparativeDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 10:21yes1824 s
ComparativeLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 11:46yes52 s
ComparativeQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 13:41yes531 s
ComparativeKimi K2moonshotai/kimi-k2 via novita2026-09-17 11:02yes2245 s
ComparativeGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 10:37yes2957 s
ComparativeMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 11:34yes1019 s
Budget constrainedClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 09:52yes1511 s
Budget constrainedGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 13:03yes35 s
Budget constrainedGemini 3.5 Flashgemini-3.5-flash2026-09-17 11:08yes2629 s
Budget constrainedPerplexity Sonarsonar2026-09-17 12:28yes207 s
Budget constrainedGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 10:24yes4217 s
Budget constrainedMistral Smallmistral/mistral-small via mistral2026-09-17 13:07yes55 s
Budget constrainedDeepSeek V4 Flashdeepseek/deepseek-v4-flash via deepinfra2026-09-17 13:52yes2849 s
Budget constrainedLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 13:12yes53 s
Budget constrainedQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 11:40yes1547 s
Budget constrainedKimi K2moonshotai/kimi-k2 via novita2026-09-17 09:24yes952 s
Budget constrainedGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 10:25yes2255 s
Budget constrainedMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 13:40yes1863 s
Scale constrainedClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 10:28yes1710 s
Scale constrainedGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 12:05yes110 s
Scale constrainedGemini 3.5 Flashgemini-3.5-flash2026-09-17 12:47yes1232 s
Scale constrainedPerplexity Sonarsonar2026-09-17 11:54yes2011 s
Scale constrainedGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 12:30yes1413 s
Scale constrainedMistral Smallmistral/mistral-small via mistral2026-09-17 09:31no09 s
Scale constrainedDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 13:18yes1022 s
Scale constrainedLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 10:39yes54 s
Scale constrainedQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 13:57yes944 s
Scale constrainedKimi K2moonshotai/kimi-k2 via novita2026-09-17 10:26yes1545 s
Scale constrainedGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 13:11yes24205 s
Scale constrainedMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 13:45yes522 s
Negative framingClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 13:25yes189 s
Negative framingGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 12:05yes47 s
Negative framingGemini 3.5 Flashgemini-3.5-flash2026-09-17 10:48yes1931 s
Negative framingPerplexity Sonarsonar2026-09-17 09:59yes206 s
Negative framingGrok 4.20spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version)2026-09-17 09:59yes4315 s
Negative framingMistral Smallmistral/mistral-small via mistral2026-09-17 13:42yes149 s
Negative framingDeepSeek V4 Flashdeepseek/deepseek-v4-flash via deepinfra2026-09-17 14:11yes2966 s
Negative framingLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 10:05yes52 s
Negative framingQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 11:19yes1539 s
Negative framingKimi K2moonshotai/kimi-k2 via novita2026-09-17 11:22yes2859 s
Negative framingGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 13:14yes2942 s
Negative framingMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 10:55yes2446 s

Normalization in this category

Every judgment call made between the raw labels and the numbers above, listed so it is visible and reversible.

ShowHide
Category-scoped readings
Braintrust read as Braintrust Gateway
Cloudflare read as Cloudflare AI Gateway
Datadog read as Datadog LLM Observability
Kong read as Kong AI Gateway
Kong AI read as Kong AI Gateway
NeuralTrust read as NeuralTrust TrustGate
Tetrate read as Tetrate Agent Router Enterprise
TrueFoundry read as TrueFoundry AI Gateway
Unresolved, counted raw
APIM solutions
Amazon Bedrock AgentCore Gateway
Cequence AI Gateway
Featherless.ai
Galileo AI
Highflame
Mirascope
SS&C AI Gateway
Sema
Standard Compute
Discontinued, still offered
No shut-down product was recommended here.
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