Claude Fable 5.1 vs MiMo-V2.5-Pro
Claude Fable 5.1 leads the LLM Stats Score 56.3 to 24.8. MiMo-V2.5-Pro is 36.8x cheaper per token.
Anthropic · Xiaomi · Updated for 2026
Which is better?
Claude Fable 5.1 leads the overall LLM Stats Score 56.3 to 24.8, ranking #2 overall.
In the 1 individual benchmarks reported for both models, Claude Fable 5.1 wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, MiMo-V2.5-Pro is roughly 36.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
MiMo-V2.5-Pro also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Fable 5.1
- overall performance matters — it scores 56.3 and ranks #2 on LLM Stats
- your work emphasizes reasoning and agents — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Sep 2026
Choose MiMo-V2.5-Pro
- cost matters — it's about 36.8x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
7 reported for Claude Fable 5.1 · 31 for MiMo-V2.5-Pro
Claude Fable 5.1 outperforms in 1 benchmarks (Humanity's Last Exam), while MiMo-V2.5-Pro is better at 0 benchmarks.
Claude Fable 5.1 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Fable 5.1 ($10.00/1M tokens) is 23.0x more expensive than MiMo-V2.5-Pro ($0.43/1M tokens).
For output processing, Claude Fable 5.1 ($50.00/1M tokens) is 57.5x more expensive than MiMo-V2.5-Pro ($0.87/1M tokens).
In conclusion, Claude Fable 5.1 is more expensive than MiMo-V2.5-Pro.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
MiMo-V2.5-Pro accepts 1,048,576 input tokens compared to Claude Fable 5.1's 1,000,000 tokens. MiMo-V2.5-Pro can generate longer responses up to 131,072 tokens, while Claude Fable 5.1 is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Claude Fable 5.1 supports multimodal inputs, whereas MiMo-V2.5-Pro does not.
Claude Fable 5.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Fable 5.1
MiMo-V2.5-Pro
License
Usage and distribution terms
Claude Fable 5.1 is licensed under a proprietary license, while MiMo-V2.5-Pro uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Claude Fable 5.1 was released on 2026-09-01, while MiMo-V2.5-Pro was released on 2026-04-27.
Claude Fable 5.1 is 4 months newer than MiMo-V2.5-Pro.
Sep 1, 2026
1 weeks ago
4mo newerApr 27, 2026
4 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude Fable 5.1 is available from Anthropic. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.
Claude Fable 5.1
MiMo-V2.5-Pro
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Fable 5.1 and MiMo-V2.5-Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Fable 5.1 vs MiMo-V2.5-Pro.