Side by side
AgentClash vs Opik
Both stand on ai agent evaluation tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APISelf-hostedWeb
AgentClash combines sandboxed agent evaluation with replayable regression tests and CI/CD checks. The Free plan has a monthly run limit; Pro costs $49 a month billed monthly or $39 / month ($468 / yr) with annual billing.
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Free plan Open source APILinuxMac+3
Opik brings tracing, evaluation, testing, and production monitoring into one platform, with both cloud and self-hosted options. Teams should weigh the listed monthly span and retention limits against their usage.
Visit OpikThe facts
| AgentClash | Opik | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | API, Self-hosted, Web | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Pro: $49 a month | Pro Cloud: $19 a month |
| Plans published | 4 | 4 |
| Maker | Not published | Not published |
| Website | agentclash.dev | comet.com |
| On ai agent evaluation tools | #9 of 28 | #5 of 28 |
AgentClash: what it does well
- Scores tool choices, cost, latency, recovery, and results.
- Failed runs can become regression tests.
- Runs agents in isolated, disposable microVMs.
- Supports several model providers and OpenRouter.
- Can be self-hosted or used through a hosted backend.
What to know first
- Free plan allows 25 evaluation runs per month.
- Pro costs $49 a month billed monthly.
- Free plan requires a BYO LLM API key and sandbox token.
Opik: what it does well
- Evaluations include more than 30 metrics.
- Production monitoring can alert on failed criteria.
- Open-source code can run locally.
- Free Cloud includes 25,000 monthly spans.
What to know first
- Free Cloud retains data for 60 days.
- Pro Cloud costs $19 per month.
- Enterprise pricing is custom.
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