Alternatives Engine

evals Alternatives

Compare open-source alternatives to callstackincubator/evals by fit, deployment, maintenance, quality, and agent readiness.

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Decision Summary

callstackincubator/evals has 12 alternative candidates. Top match is lmnr-ai/lmnr at 91/100 because Similar llm eval with docker/local deployment overlap.

CandidatesExplicitCloudflare-readyAvg similarityTop candidate
120082lmnr-ai/lmnr
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Source Project

callstackincubator/evals

A benchmark suite for evaluating how coding models solve real React Native tasks.

TypeScript MIT DockerLocalCloud

Best For

Where evals fits

evaluate LLM outputs
benchmark prompts and agents
track model quality

Not Best For

When to compare alternatives

edge-only Cloudflare Workers deployment without adaptation

Comparison Table

Arize-ai/phoenix leads this comparison context

Arize-ai/phoenix has the strongest combined agent score and maintenance profile in this comparison.

ProjectSimilarityStarsLanguageDeployQualityAgent
callstackincubator/evalsSource110TypeScriptDocker, Local1056
lmnr-ai/lmnr91/1003,174TypeScriptDocker, Vercel2675
minghinmatthewlam/openbench85/100121PythonDocker, Library Only1762
langwatch/langwatch84/1003,492TypeScriptDocker, Vercel3981
Arize-ai/phoenix83/10011,073PythonDocker, Vercel5789
promptfoo/promptfoo82/10024,280TypeScriptDocker, Library Only7088

Alternative Match

lmnr-ai/lmnr

91/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

Laminar - open-source observability platform purpose-built for AI agents. YC S24.

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local.
Quality26
Agent75

Alternative Match

minghinmatthewlam/openbench

85/100

Same llm eval intent with coding_agent overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

Same model, different wrapper: a from-scratch benchmark comparing coding-agent harnesses (codex, pi, opencode, cursor, devin) and open models on correctness, speed, and token cost

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local, cloud.
Quality17
Agent62

Alternative Match

langwatch/langwatch

84/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

The platform for LLM evaluations and AI agent testing

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local.
Quality39
Agent81

Alternative Match

Arize-ai/phoenix

83/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

AI Observability & Evaluation

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local.
Quality57
Agent89

Alternative Match

promptfoo/promptfoo

82/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local, cloud.
Quality70
Agent88

Alternative Match

agentevals-dev/agentevals

81/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

agentevals is a framework-agnostic evaluations solution based on OpenTelemetry traces

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local, cloud.
Quality23
Agent67

Alternative Match

Marker-Inc-Korea/AutoRAG

79/100

Similar llm eval with local/cloud deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

AutoRAG: Now your agent can find anything in your computer. It gets smarter if you are using it frequently.

Llm EvalLocalCloudLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: local, cloud.
Quality26
Agent71

Alternative Match

Ahoo-Wang/GodeX

79/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

Make every model a CodeX engine through an OpenAI-compatible Responses API gateway

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local, cloud.
Quality23
Agent62

Alternative Match

Helicone/helicone

79/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local.
Quality22
Agent78

Alternative Match

comet-ml/opik-openclaw

79/100

Similar llm eval with local/cloud deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

🦞 Official plugin for OpenClaw that exports agent traces to Opik. See and monitor agent behaviour, cost, tokens, errors and more.

Llm EvalLocalCloudLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: local, cloud.
Quality22
Agent61

Alternative Match

promptfoo/promptfoo-action

79/100

Similar llm eval with local/cloud deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

The GitHub Action for Promptfoo. Test your prompts, agents, and RAGs. AI Red teaming, pentesting, and vulnerability scanning for LLMs. Compare performance of GPT, Claude, Gemini, Llama, and more. Simple declarative configs with command line and CI/CD integration.

Llm EvalLocalCloudLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: local, cloud.
Quality14
Agent58

Alternative Match

Purewhiter/mobilegym

79/100

Similar llm eval with local/cloud deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

MobileGym: A Verifiable and Highly Parallel Simulation Platform for Mobile GUI Agent Research · 浏览器里运行的安卓模拟器 · Browser-hosted Android Simulator · Verifiable Evaluation · Scalable Online RL Training

Llm EvalLocalCloudLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: local, cloud.
Quality8
Agent59

Data Source

d1 / d1_query

1152 loaded projects. Generated at 2026-08-17T05:12:35.620Z.