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LLM gateways and observability · November 2026 Edition

Helicone vs OpenRouter

Zero of fourteen models named Helicone first on the direct prompt; one named OpenRouter. Helicone was named by seven of the fourteen models and OpenRouter by fourteen and Helicone carries 16 labels and OpenRouter 41, so the shares are not directly comparable.

Helicone

accepted challenger

Named in one category this edition.

OpenRouter

accepted challenger

Named in one category this edition.

First-choice share4%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate6%20%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#6A position in a field of 9; printed, not drawn.
Labels1641A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Helicone 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 Helicone · LiteLLM vs OpenRouter · Portkey vs Helicone

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.
HeliconeFirst choices, of fourteen modelsOpenRouter
Direct011 against OpenRouter
Paraphrase20
Comparative002 against OpenRouter
Budget-constrained001 against OpenRouter
Scale-constrained00
Negative001 against Helicone · 4 against OpenRouter
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.

Across every category in the November 2026 Edition, Helicone and OpenRouter were named in the same answer twenty-six times, of the 58 answers naming Helicone and the 120 naming OpenRouter. In those answers OpenRouter took the first choice three times and Helicone two.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Helicone and OpenRouter 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
Helicone OpenRouter first choice named as an alternative argued againstblank: not namedEach cell is one answer, Helicone on the left and OpenRouter on the right.

The direct prompt

The plain question, one answer per model, grouped by where Helicone and OpenRouter stood in it.

OpenRouter first, Helicone not the choice

1 of 14 modelsHelicone was named in the answer but not as the choice, or not at all.
GPT-5.4 miniOpenRouter alternatives: Kong AI Gateway, LiteLLM, Portkey

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Nexos.ai, Portkey alternatives: Bifrost, LiteLLM, OpenRouter
Perplexity SonarPortkey alternatives: Bifrost, LiteLLM, OpenRouter
Mistral SmallLiteLLM, Portkey alternatives: OpenRouter, Requesty
Llama 4 MaverickFastRouter alternatives: Concentrate, LiteLLM, OpenRouter, Portkey
Qwen 3.7 FlashLiteLLM, Portkey alternatives: Bifrost, Cloudflare AI Gateway, Kong AI Gateway, OpenRouter
MiniMax M2.5LiteLLM alternatives: Cloudflare AI Gateway, Helicone, OpenRouter, Portkey

Neither was named

7 of 14 modelsThe answer made no first choice from these two in this category.
Gemini 3.5 FlashLiteLLM, Portkey alternatives: Bifrost, Cloudflare AI Gateway
Grok 4.20Portkey alternatives: Cloudflare AI Gateway, LiteLLM
DeepSeek V4 FlashBifrost, Portkey alternatives: Amazon Bedrock, Azure API Management, LiteLLM
Kimi K2Portkey alternatives: FastRouter, Kong AI Gateway, LiteLLM, TrueFoundry AI Gateway
GLM 4.7 FlashXLiteLLM alternatives: Bifrost, Kong AI Gateway, Portkey
GPT-6 LunaPortkey alternatives: Cloudflare AI Gateway, LiteLLM
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
Helicone leads by three points.
Helicone10%#3 of 9
OpenRouter7%#4 of 9
The full small business standing →
Mid-marketThe figures above
Helicone leads by two points.
Helicone4%#4 of 9
OpenRouter2%#6 of 9
The full mid-market standing →
Enterprise
Level: the same share of first choices.
Helicone0%#9 of 10
OpenRouter0%#10 of 10
The full enterprise standing →

What the models said about Helicone

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

“Managed/third-party hosted gateways with weak privacy controls (e.g., some observability-focused ones like early PromptLayer or Helicone variants)” Grok 4.20 · negative prompt · soft negative
“My top pick for a typical mid-sized B2B company: Start with Helicone.” Qwen 3.7 Flash · paraphrase prompt · first choice
“I recommend Helicone as the best all-around choice” Kimi K2 · paraphrase prompt · first choice
“Excellent observability, caching, and cost analytics | Stronger on monitoring than routing; paid plans for advanced usage” Grok 4.20 · budget prompt · alternative

What the models said about OpenRouter

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

“The one I would not recommend for a mid-market B2B company is OpenRouter” DeepSeek V4 Flash · direct prompt · hard negative
“"avoid OpenRouter for anything with sensitive/PII data" [4]” Muse Glimmer 30B · negative prompt · hard negative
“Exercise caution with OpenRouter, Portkey, Vercel AI Gateway, and similar services when prompts contain personal, regulated, proprietary, or agent data.” Perplexity Sonar · negative prompt · soft negative
“Best default for most mid-market teams: OpenRouter” GPT-5.4 mini · direct prompt · first choice
“Well‑documented, transparent marketplaces that expose provider lists, pricing, and model performance data (e.g., OpenRouter, Portkey AI Gateway)” GLM 4.7 FlashX · negative prompt · alternative
“Choose Cloudflare or OpenRouter if you want zero infrastructure maintenance and fast deployment out of the box.” Gemini 3.5 Flash · comparative 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.