InfiBench alternatives
6 evaluation tools in the same lane as InfiBench, ranked by editorial score.
LI
LiveBench
Evaluation · Multi-model
8.2
Contamination-free LLM benchmark that refreshes its questions monthly to keep frontier models honest.
Free· Free and open source; self-hosted evaluation runnerllm-benchmarkingmodel-selection
OE
OpenAI Evals
Evaluation · OpenAI GPT models (extensible)
8.1
OpenAI's open-source framework for benchmarking LLMs against a shared registry of evaluations.
Free· Free (MIT); you pay OpenAI API costs for eval runsllm-benchmarkingregression-testing
IA
Inspect AI
Evaluation · Multi-model
7.2
Open-source LLM evaluation framework from the UK AI Security Institute with 200+ built-in benchmarks.
Free· Free and open source (MIT-style license); you pay only for underlying model API usage.llm-benchmarkingagent-evaluation
LL
LLMEval
Evaluation · Multi-model
7.2
Open academic benchmark suite for stress-testing LLMs on contamination-resistant, domain-specific tasks.
Free· Free; open-source academic benchmarksllm-benchmarkingacademic-evaluation
PR
Promptfoo
Evaluation · Multi-model
7.2
Open-source eval and red-teaming framework for LLM apps, prompts, and RAG pipelines.
Freemium· Community: Free · Enterprise: Custom · On-Premise: Customllm-evalsred-teaming
MI
MixEval
Evaluation · GPT-3.5-Turbo-0125, GPT-4o-2024-05-13, Claude 3.5 Sonnet, MixEval, MixEval-Hard
6.9
Dynamic LLM benchmark that mixes web queries with existing datasets to mirror Chatbot Arena rankings at a fraction of the cost.
Free· Free and open sourcellm-benchmarkingmodel-ranking