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LLM gateways and observability · November 2026 Edition

Cloudflare AI Gateway vs Langfuse

Zero of fourteen models named Cloudflare AI Gateway first on the direct prompt; zero named Langfuse. Cloudflare AI Gateway was named by thirteen of the fourteen models and Langfuse by thirteen and Cloudflare AI Gateway carries 33 labels and Langfuse 16, so the shares are not directly comparable.

Cloudflare AI Gateway

accepted challenger

Named in two categories this edition.

Langfuse

accepted challenger

Named in four categories this edition.

First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#7A position in a field of 9; printed, not drawn.
Labels3316A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Cloudflare AI Gateway reading right to left. Rank and label count are printed, not drawn.Portkey was named alongside these two in fourteen of the fourteen direct answers. LiteLLM vs Cloudflare AI Gateway · LiteLLM vs Langfuse · Portkey vs Cloudflare AI Gateway

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the LLM gateways and observability page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Cloudflare AI GatewayFirst choices, of fourteen modelsLangfuse
Direct00
Paraphrase01
Comparative00
Budget-constrained10
Scale-constrained00
Negative00
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Cloudflare AI Gateway and Langfuse stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Cloudflare AI Gateway Langfuse first choice named as an alternative argued againstblank: not namedEach cell is one answer, Cloudflare AI Gateway on the left and Langfuse on the right.

The direct prompt

The plain question, one answer per model, grouped by where Cloudflare AI Gateway and Langfuse stood in it.

Neither was the first choice, one was named

5 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashLiteLLM, Portkey alternatives: Bifrost, Cloudflare AI Gateway
Grok 4.20Portkey alternatives: Cloudflare AI Gateway, LiteLLM
Qwen 3.7 FlashLiteLLM, Portkey alternatives: Bifrost, Cloudflare AI Gateway, Kong AI Gateway, OpenRouter
MiniMax M2.5LiteLLM alternatives: Cloudflare AI Gateway, Helicone, OpenRouter, Portkey
GPT-6 LunaPortkey alternatives: Cloudflare AI Gateway, LiteLLM

Neither was named

9 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Nexos.ai, Portkey alternatives: Bifrost, LiteLLM, OpenRouter
GPT-5.4 miniOpenRouter alternatives: Kong AI Gateway, LiteLLM, Portkey
Perplexity SonarPortkey alternatives: Bifrost, LiteLLM, OpenRouter
Mistral SmallLiteLLM, Portkey alternatives: OpenRouter, Requesty
DeepSeek V4 FlashBifrost, Portkey alternatives: Amazon Bedrock, Azure API Management, LiteLLM
Llama 4 MaverickFastRouter alternatives: Concentrate, LiteLLM, OpenRouter, Portkey
Kimi K2Portkey alternatives: FastRouter, Kong AI Gateway, LiteLLM, TrueFoundry AI Gateway
GLM 4.7 FlashXLiteLLM alternatives: Bifrost, Kong AI Gateway, Portkey
Muse Glimmer 30BLiteLLM, Portkey alternatives: Kong AI Gateway, TrueFoundry AI Gateway

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Level: the same share of first choices.
Cloudflare AI Gateway3%#5 of 9
Langfuse3%#6 of 9
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
Cloudflare AI Gateway2%#5 of 9
Langfuse2%#7 of 9
The full mid-market standing →
Enterprise
Langfuse leads by four points.
Langfuse4%#5 of 10
Cloudflare AI Gateway0%#8 of 10
The full enterprise standing →

What the models said about Cloudflare AI Gateway

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.

“For most budget-conscious companies, I'd start with Cloudflare AI Gateway using your own provider API keys (BYOK).” GPT-6 Luna · budget prompt · first choice
“if you already use Cloudflare and want a low-friction managed option; it can be cost-effective, but it's less of a full multi-provider control plane” GPT-5.4 mini · budget prompt · alternative
“Ideal if you already use Cloudflare. It offers powerful DDoS protection, rate limiting, and caching at the network edge.” Qwen 3.7 Flash · direct prompt · alternative

What the models said about Langfuse

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.

“Top Recommendation: Langfuse + Bifrost” GLM 4.7 FlashX · paraphrase prompt · first choice
“Langfuse (top if you prioritize open-source/self-hosting): Excellent framework-agnostic tracing” Grok 4.20 · paraphrase prompt · alternative
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.