LMArena
Prompt playgrounds · Free
About
A public arena where you prompt two anonymous models side by side and vote, producing crowd-sourced leaderboards.
Key features
- Side-by-side anonymous battles
- Public leaderboards
- Text, vision and coding arenas
Best for
- — Blind model comparisons
- — Checking model leaderboards
- Pricing
- Free
- Platforms
- Web
- Last checked
- 2026-10-29
- Status
- Listed, not yet tested
Our take
A fun, quick sanity check across models. Leaderboards reflect crowd preference, not your specific task.
Features and pricing change often — confirm on lmarena.ai before you commit.
Alternatives to LMArena
| Tool | Type | Pricing | Best for |
|---|---|---|---|
| LMArena (this) | Prompt playgrounds | Free | Blind model comparisons |
| OpenAI Playground | Prompt playgrounds | Paid | Prototyping prompts for the OpenAI API |
| Claude Console | Prompt playgrounds | Paid | Prototyping prompts for the Claude API |
| Google AI Studio | Prompt playgrounds | Freemium | Trying Gemini models free |
| OpenRouter | Prompt playgrounds | Freemium | Comparing many models with one key |
| TypingMind | Prompt playgrounds | Paid | Power users with API keys |
| Open WebUI | Prompt playgrounds | Open source | Running local models with a nice UI |