Claude Sonnet 4.5 vs MiMo-V2.6-Pro
MiMo-V2.6-Pro leads the LLM Stats Score 40.6 to 32.1.
Anthropic · Xiaomi · Updated for 2026
Which is better?
MiMo-V2.6-Pro leads the overall LLM Stats Score 40.6 to 32.1, ranking #57 overall.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Sonnet 4.5
- you want predictable pricing at $3.00/M input and $15.00/M output
Choose MiMo-V2.6-Pro
- overall performance matters — it scores 40.6 and ranks #57 on LLM Stats
- you want the most recent training data — it shipped Sep 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
9 reported for Claude Sonnet 4.5 · 3 for MiMo-V2.6-Pro
Claude Sonnet 4.5 and MiMo-V2.6-Prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Claude Sonnet 4.5 specifies input context (200,000 tokens). Only Claude Sonnet 4.5 specifies output context (64,000 tokens).
Input capabilities
Documented input modalities across available providers
Both Claude Sonnet 4.5 and MiMo-V2.6-Pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Sonnet 4.5
MiMo-V2.6-Pro
License
Usage and distribution terms
Claude Sonnet 4.5 is licensed under a proprietary license, while MiMo-V2.6-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 Sonnet 4.5 was released on 2025-09-29, while MiMo-V2.6-Pro was released on 2026-09-22.
MiMo-V2.6-Pro is 12 months newer than Claude Sonnet 4.5.
Sep 29, 2025
11 months ago
Sep 22, 2026
-1 days ago
11mo newerKnowledge Cutoff
When training data ends
Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while MiMo-V2.6-Pro's cutoff date is not specified.
We can confirm Claude Sonnet 4.5's training data extends to 2025-01-31, but cannot make a direct comparison without MiMo-V2.6-Pro's cutoff date.
Jan 2025
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Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Sonnet 4.5 and MiMo-V2.6-Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Sonnet 4.5 vs MiMo-V2.6-Pro.