Claude Fable 5.1 vs MiMo-V2.6-Pro: Specs & Benchmark Comparison
Claude Fable 5.1 is developed by Anthropic, while MiMo-V2.6-Pro comes from Xiaomi. Both were released in September 2026. MiMo-V2.6-Pro has a published size of about 1.0 trillion parameters; Anthropic has not disclosed the parameter count of Claude Fable 5.1.
We have 7 benchmark results for Claude Fable 5.1 and 18 benchmark results for MiMo-V2.6-Pro, but they overlap on a single test: Terminal-Bench 4.0, where Claude Fable 5.1 scores 55.8% against 34.9%.
MiMo-V2.6-Pro is the cheaper API at $0.43 per million input tokens and $0.87 per million output tokens, roughly 23 times cheaper than Claude Fable 5.1 at $10 and $50. Both accept a context window of about 1M tokens. Claude Fable 5.1 accepts text and images as input, while MiMo-V2.6-Pro accepts text, images, audio, and video.
| Characteristic | Claude Fable 5.1 | MiMo-V2.6-Pro |
|---|---|---|
| Company | Anthropic | Xiaomi |
| Release Date | September 1, 2026 | September 22, 2026 |
| Parameters | — | 1.0T |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 128K | — |
| Input Price / 1M | $10.00 | $0.43 |
| Output Price / 1M | $50.00 | $0.87 |
| Average Score | 59.7% | 59.7% |
| Benchmarks | ||
| Terminal-Bench 4.0 | 55.8% | 34.9% |
Visual Benchmark Comparison
Verdict
MiMo-V2.6-Pro leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Claude Fable 5.1 — 0.6, MiMo-V2.6-Pro — 0.6.
MiMo-V2.6-Pro is 46.0x cheaper: input $0.43/1M vs $10.00/1M tokens.
Same context size: 1M tokens.
MiMo-V2.6-Pro is newer: released 9/22/2026 vs 9/1/2026.
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Frequently Asked Questions
Which is better for coding — Claude Fable 5.1 or MiMo-V2.6-Pro?
Which model is cheaper — Claude Fable 5.1 or MiMo-V2.6-Pro?
Which has a larger context window — Claude Fable 5.1 or MiMo-V2.6-Pro?
The Claude Fable 5.1 and MiMo-V2.6-Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Fable 5.1 or MiMo-V2.6-Pro page. See also the complete list of AI model comparisons.