LLM arena — test models on the same prompt

Specs tell part of the story—running the same prompt across models shows latency, style, and failure modes.

AI Benchmark Hub arena streams up to four models in parallel, shows time-to-first-token and tokens per second, and supports free OpenRouter models plus BYO keys for paid APIs.

LLM arenalanguage model arenamulti-model LLM testcompare LLM outputsAI model arena

Launch LLM arena

Also try: LLM leaderboard, compare tool, live arena.