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Pick up to 4. Every model here is free in free-pi.
MiMo V2.6 Flash (Xiaomi) DeepSeek V4 Pro GPT-6 Luna
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- DeepSeek V4 Flash
- Claude Haiku 5.5
- Claude Sonnet 5.5
- DeepSeek V4.1 Flash
- Defense Flash
- Defense Flash 2
- Gemini 4 Argon
- Gemini 4 Argon Flex
- GLM 5.3 Flash
- GPT-6.1 Sol
- GPT-6.1 Sol Flex
- GPT-6 Luna Flex
- GPT-OSS 120B
- Kimi K3.1 Pro
- Laguna S 2.1 (Poolside)
- Muse Spark 1.3 Contributor
- Muse Spark Open (Meta)
- Qwen3.5 35B (Darkbloom)
- Solar Pro 4
| MiMo V2.6 Flash (Xiaomi) | DeepSeek V4 Pro | GPT-6 Luna | |
|---|---|---|---|
| Maker | Xiaomi | DeepSeek | OpenAI |
| Usage in free-pi | ~2.8x usage | ~8.6x usage | ~2.0x usage |
| Intelligence index | 37.9 | 30.4 | 38.1 (best) |
| Coding index | — | 59.4 | — |
| Context window | 1,050,000 tokens (best) | 1,048,576 tokens | 1,050,000 tokens (best) |
| Max output | 131,072 tokens | 384,000 tokens (best) | 128,000 tokens |
| Inputs | Text, image, audio, video (best) | Text | Text, image, file |
| Tool calling | Yes | Yes | Yes |
| Reasoning effort | No | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Released | Sep 21, 2026 | Apr 24, 2026 | Sep 22, 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.