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 langwatch/langwatch at 100/100 because Similar llm eval with docker/local deployment overlap.

CandidatesExplicitCloudflare-readyAvg similarityTop candidate
123087langwatch/langwatch
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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

langfuse/langfuse leads this comparison context

langfuse/langfuse has the strongest combined agent score and maintenance profile in this comparison.

ProjectSimilarityStarsLanguageDeployQualityAgent
callstackincubator/evalsSource112TypeScriptDocker, Local755
langwatch/langwatch100/1005,021TypeScriptDocker, Vercel3980
lmnr-ai/lmnr100/1003,481TypeScriptDocker, Vercel3880
minghinmatthewlam/openbench98/100137PythonDocker, Library Only756
dataelement/bisheng86/10012,138PythonDocker, Local3580
langfuse/langfuse83/10037,245TypeScriptDocker, Vercel8490

Alternative Match

langwatch/langwatch

100/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

Open-Source Agent Observability & Evals for AI Platform teams. Trace, test, route and govern every agent & coding assistant in the company.

ExplicitLlm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local.
Quality39
Agent80

Alternative Match

lmnr-ai/lmnr

100/100

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.

ExplicitLlm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local.
Quality38
Agent80

Alternative Match

minghinmatthewlam/openbench

98/100

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

ExplicitLlm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local, cloud.
Quality7
Agent56

Alternative Match

dataelement/bisheng

86/100

Same llm eval intent with coding_agent overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

BISHENG is an open-source enterprise Agent platform for building, deploying, and managing AI applications. It combines AI agents, workflows, RAG and knowledge management, desktop agent integration, and vibecoding app hosting with unified model management, evaluation, observability, access control, and enterprise administration.

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local, cloud.
Quality35
Agent80

Alternative Match

langfuse/langfuse

83/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local.
Quality84
Agent90

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.
Quality56
Agent89

Alternative Match

windmill-labs/windmill

83/100

Same llm eval intent with coding_agent overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

Code-first platform for workflows, apps and AI agents, on the fastest self-hostable orchestrator (benchmarked against Airflow, Prefect and Temporal). Business teams build with AI, engineers control what ships. Open-source alternative to Lovable, Retool and n8n.

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local, cloud.
Quality53
Agent89

Alternative Match

ianarawjo/ChainForge

83/100

Similar llm eval with docker/local deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

An open-source visual programming environment for battle-testing prompts to LLMs.

Llm EvalDockerLocalLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: docker, local, cloud.
Quality9
Agent64

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.
Quality75
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.
Quality24
Agent70

Alternative Match

Purewhiter/mobilegym

81/100

Similar llm eval with local/cloud deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

[EMNLP 2026] 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.
Quality9
Agent60

Alternative Match

NVIDIA/garak

79/100

Similar llm eval with local/cloud deployment overlap.

Fit: Strong replacement candidate with overlapping indexed use cases.

the LLM vulnerability scanner

Llm EvalLocalCloudLlm Provider
Replacement risklow
Adoption noteSame category, so it can be evaluated as a direct functional substitute.
Adoption noteDeployment overlap: local, cloud.
Quality46
Agent80

Data Source

d1 / d1_query

1226 loaded projects. Generated at 2026-11-11T02:48:17.044Z.