DeepEval alternatives

DeepEval costs $200 / month. We found 8.5 out of 10 of the buying evidence we check for. 1 of the 22 other products below publish more.

This is a comparison of what each company publishes on its own site. It covers price, free access, measured results, documented limits, product updates, and testing methods. It is evidence for a shortlist, not a rating of product quality. The products below share a broad category and are not necessarily direct substitutes. Use Comparima for direct competitors.

LLM observability and evalsHow this market looks from public information.
2 of 23for published buying evidence
7 of 7comparable monthly prices are lower
78%can be tried first
30%publish measured results
65%state their limits

What we could verify

Every finding links to the page it came from. Open the source before relying on it.

Public price

Found a public price ($200 / month) on the pricing page.

Open source
Try before paying

A buyer can verify the claim themselves without paying ("Free tier").

Open source
Measured customer result

Publishes a supported measurable result ("27x Faster").

Open source
Documented limits

A possible mention appeared on a comparison or unrelated page, so we did not count it.

Open source
Testing method

Describes how it was tested ("evaluation setup"; includes dataset).

Open source
Recent product updates

Public changelog with versioned entries (found July 31, 2026).

Open source

Ask before you buy

These questions come from the information we could not verify on the public site.

  1. Where does it fail, and what still needs human review?

Compare the field

Showing 12 of 22 that match your filters.

DeepEvalconfident-ai.com
8.5/10website evidence$200 / month

No stated limits we could find.

  • Price is on the site
  • You can try it without paying
  • Publishes a measured result
  • Shows how it was tested
  • Actively maintained
  • No stated limits we could find
Galileogalileo.ai
10/10website evidence$100 /month

Publishes about as much buying evidence as DeepEval. Much cheaper at $100 a month against $200. Says what it cannot do, unlike DeepEval.

  • Price is on the site
  • You can try it without paying
  • Publishes a measured result
  • Says what it cannot do
  • Shows how it was tested
  • Actively maintained
See what Galileo is up against
Langfuselangfuse.com
8/10website evidence$29 / month

Publishes about as much buying evidence as DeepEval. Much cheaper at $29 a month against $200. Says what it cannot do, unlike DeepEval.

  • Price is on the site
  • You can try it without paying
  • Says what it cannot do
  • Shows how it was tested
  • Actively maintained
  • No measured result we could find
See what Langfuse is up against
Portkeyportkey.ai
8.5/10website evidence$49/month

Publishes about as much buying evidence as DeepEval. Much cheaper at $49 a month against $200. Says what it cannot do, unlike DeepEval.

  • Price is on the site
  • You can try it without paying
  • Publishes a measured result
  • Says what it cannot do
  • Actively maintained
  • No test method we could find
See what Portkey is up against
Agentaagenta.ai
6.5/10website evidence$29 /month

Publishes less buying evidence than DeepEval. Much cheaper at $29 a month against $200. Says what it cannot do, unlike DeepEval.

  • Price is on the site
  • You can try it without paying
  • Says what it cannot do
  • Actively maintained
  • No measured result we could find
  • No test method we could find
See what Agenta is up against
Heliconehelicone.ai
6.5/10website evidence$79 per month

Publishes less buying evidence than DeepEval. Much cheaper at $79 a month against $200. Says what it cannot do, unlike DeepEval.

  • Price is on the site
  • You can try it without paying
  • Says what it cannot do
  • Actively maintained
  • No measured result we could find
  • No test method we could find
See what Helicone is up against
Humanloophumanloop.com
6.5/10website evidenceno price we could read

Publishes less buying evidence than DeepEval. Says what it cannot do, unlike DeepEval.

  • You can try it without paying
  • Publishes a measured result
  • Says what it cannot do
  • Actively maintained
  • No price we could find
  • No test method we could find
See what Humanloop is up against
Patronuspatronus.ai
7.5/10website evidence$25/ Month

Publishes about as much buying evidence as DeepEval. Much cheaper at $25 a month against $200. Says what it cannot do, unlike DeepEval.

  • Price is on the site
  • You can try it without paying
  • Publishes a measured result
  • Says what it cannot do
  • No test method we could find
  • No public changelog we could find
See what Patronus is up against
Promptfoopromptfoo.dev
7/10website evidenceno price we could read

Publishes about as much buying evidence as DeepEval. Says what it cannot do, unlike DeepEval.

  • You can try it without paying
  • Publishes a measured result
  • Says what it cannot do
  • Shows how it was tested
  • No price we could find
  • No public changelog we could find
See what Promptfoo is up against
PromptLayerpromptlayer.com
7/10website evidence$49 per month

Publishes about as much buying evidence as DeepEval. Much cheaper at $49 a month against $200. Says what it cannot do, unlike DeepEval.

  • Price is on the site
  • You can try it without paying
  • Says what it cannot do
  • Shows how it was tested
  • No measured result we could find
  • No public changelog we could find
See what PromptLayer is up against
Braintrustbraintrust.dev
4.5/10website evidenceno price we could read

Publishes less buying evidence than DeepEval. Says what it cannot do, unlike DeepEval.

  • You can try it without paying
  • Says what it cannot do
  • Actively maintained
  • No price we could find
  • No measured result we could find
  • No test method we could find
See what Braintrust is up against
Freeplayfreeplay.ai
5.5/10website evidenceno price we could read

Publishes less buying evidence than DeepEval. Says what it cannot do, unlike DeepEval.

  • You can try it without paying
  • Publishes a measured result
  • Says what it cannot do
  • No price we could find
  • No test method we could find
  • No public changelog we could find
See what Freeplay is up against
Lunarylunary.ai
4.5/10website evidenceno price we could read

Publishes less buying evidence than DeepEval. Says what it cannot do, unlike DeepEval.

  • You can try it without paying
  • Says what it cannot do
  • Actively maintained
  • No price we could find
  • No measured result we could find
  • No test method we could find
See what Lunary is up against

Read in August 2026 from pages anyone can open. This is what each company puts on its own site, which is not the same as how good the product is. Something excellent can still tell you very little. Spotted a mistake? Tell us and we will read it again.

Check a product we have not covered