Compare models
Pick up to 4. Every model here is free in free-pi.
Muse Spark Open (Meta) Gemini 4 Argon Kimi K3.1 Pro
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- DeepSeek V4 Flash
- Claude Haiku 5.5
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- DeepSeek V4.1 Flash
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- Defense Flash
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- Muse Spark 1.3 Contributor
- Qwen3.5 35B (Darkbloom)
- Solar Pro 4
| Muse Spark Open (Meta) | Gemini 4 Argon | Kimi K3.1 Pro | |
|---|---|---|---|
| Maker | Meta | MoonshotAI | |
| Usage in free-pi | premium, uses allowance fast · ~25x usage | premium, uses allowance fast · ~41x usage | ~41x usage |
| Intelligence index | — | 52.6 | — |
| Coding index | — | — | — |
| Context window | 1,048,576 tokens (best) | 1,048,576 tokens (best) | 1,048,576 tokens (best) |
| Max output | 943,718 tokens (best) | 943,718 tokens (best) | 943,718 tokens (best) |
| Inputs | Text, image, file, audio, video (best) | Text, image, file, audio, video (best) | Text, image, video |
| Tool calling | Yes | Yes | Yes |
| Reasoning effort | Yes | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Released | Oct 15, 2026 | Oct 13, 2026 | Oct 23, 2026 |
| Model page | Model page | Model page | Model page |
Stats from OpenRouter; refreshed automatically. Usage rate from free-pi. Green marks the best value in each row. “—” means no figure is available.