MiMo V2.6 Flash vs Grok 4.6
MiMo V2.6 Flash is from Xiaomi, released September 22, 2026. Grok 4.6 is from SpaceXAI, released August 7, 2026.
- LMArena Elo1451 vs 1454. Grok 4.6 is 0.2% ahead on LMArena Elo.
- Input per 1M$0.14 vs $2. MiMo V2.6 Flash costs 93% less per million input tokens.
- Output per 1M$0.28 vs $6. MiMo V2.6 Flash costs 95% less per million output tokens.
- Context window1M vs 500k. MiMo V2.6 Flash takes 100% more context in one request.
Prices are the vendors’ published API rates; Elo is LMArena’s text board. Each figure is dated on its model page.
Interactive Comparison
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$0.14 / $0.28 per million tokens | $2 / $6 per million tokens | |
|---|---|---|
| Identity | ||
| Developer | Xiaomi | SpaceXAI |
| Released | Sep 2026 | Aug 2026 |
| Status | — | GA |
| Licence | MIT | Proprietary |
| Self-hostable | Yes | No |
| Cost | ||
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $0.175 / 1M tokens | $3.000 / 1M tokens |
| Input price | $0.140 / 1M tokens | $2.000 / 1M tokens |
| Output price | $0.280 / 1M tokens | $6.000 / 1M tokens |
| Cached input | $0.0028 per 1M tokens | $0.50 / 1M tokens under 200k prompt; $1.00 at 200k and above |
| Batch discount | — | Not documented |
| Free tier | — | Not documented |
| Capacity | ||
| Context window | 1M tokens | 500k tokens |
| Max output | — | Not documented by xAI |
| Long-context surcharge | — | Yes — input and output both double at 200k tokens of prompt ($4 / $12) |
| Capability | ||
| Vision in | Yes | Yes — jpg/jpeg or png, up to 20MiB per image |
| Audio in | Yes | No |
| Function calling | — | Yes |
| Structured output | — | Yes |
| Extended reasoning | — | Yes |
| Web search | — | Yes — live search available via the API |
| Code execution | — | Not documented |
| Access | ||
| API | Yes | Yes |
| Chat app | — | Yes |
| Cloud marketplaces | — | Not documented |
| Fine-tuning | — | Not offered |
| Measured quality | ||
| LMArena Elo | 1451 (checked Oct 2026) | 1454 (checked Oct 2026) |
| LMArena rank | Rank 76 | Rank 72 |
| GPQA Diamond | — | 94 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 8291 | 485 |
