TensorZero
Shares rank 7 of 8 LLM gateways by recommenders
Open-source LLM gateway and evaluation tool that makes comparing prompt and model changes easier. Critics say the project is shutting down after raising funds.
Open-source LLM gateway and evaluation tool that makes comparing prompt and model changes easier. Critics say the project is shutting down after raising funds.
8 people gave an opinion
- recommend it
- 5
- criticize it
- 3
- approval share
- 63%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 5 people recommend itNeeds 10 or more, not met.
- 1.6 recommenders for every criticNeeds 2 to 1 or better, not met.
- Recommended in 2 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
What people warn about
Each mark is one comment
Project shutting down or abandoned
“I have been reading your LinkedIn posts for the last years saying that you were the future, now you are shutting down for failure.”
Comment from 13 Jun 2026 in “AI OSS tool repo goes archived over night after raising $7.3M Seed” “The project was probably just built to raise funds, a bait, and after thats done it's dead.”
Comment from 13 Jun 2026 in “AI OSS tool repo goes archived over night after raising $7.3M Seed”
Other LLM gateways people recommend
The four most recommended other LLM gateways, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| LiteLLM | 72 | 94 | 43% | 12 | — | — |
| Bifrost by Maxim | 17 | 6 | 74% | 10 | — | Approved |
| GoModel | 13 | 2 | 87% | 6 | — | Approved |
| Claude Code Router | 11 | 3 | 79% | 5 | — | Approved |
| TensorZeroThis page | 5 | 3 | 63% | 2 | — | — |
What people said
All 9 comments that mention it, newest first. Each links to the original comment.
“We were previously happy tensorzero customers!!”
“We use TensorZero as our LLM Gateway and prompt evaluation platform.”
“I thought the approach was really solid - particularly with regards to structured inputs and outputs.”
“I have been reading your LinkedIn posts for the last years saying that you were the future, now you are shutting down for failure.”
“found the data model and UI to be both cumbersome and unintuitive”
“The project was probably just built to raise funds, a bait, and after thats done it's dead.”
“I was more impressed with their decoupling of prompts from parameters!”
“TensorZero works with the OpenAI SDK out of the box”
“solves the same problems better and makes evaluating changes to models / prompts much easier to reason about”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.