Claude Sonnet 5.5 vs MiMo-V2-Omni
Claude Sonnet 5.5 leads the LLM Stats Score 58.7 to 27.4. MiMo-V2-Omni is 5.0x cheaper per token.
Anthropic · Xiaomi · Updated for 2026
Which is better?
Claude Sonnet 5.5 leads the overall LLM Stats Score 58.7 to 27.4, ranking #2 overall.
On price, MiMo-V2-Omni is roughly 5.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Sonnet 5.5 also accepts a larger context window (1,000,000 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 Sonnet 5.5
- overall performance matters — it scores 58.7 and ranks #2 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Sep 2026
Choose MiMo-V2-Omni
- cost matters — it's about 5.0x cheaper per token
At a glance
The differences that matter most.
Individual benchmarks
47 reported for Claude Sonnet 5.5 · 5 for MiMo-V2-Omni
Claude Sonnet 5.5 and MiMo-V2-Omnidon'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
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Sonnet 5.5 ($2.00/1M tokens) is 5.0x more expensive than MiMo-V2-Omni ($0.40/1M tokens).
For output processing, Claude Sonnet 5.5 ($10.00/1M tokens) is 5.0x more expensive than MiMo-V2-Omni ($2.00/1M tokens).
In conclusion, Claude Sonnet 5.5 is more expensive than MiMo-V2-Omni.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Sonnet 5.5 accepts 1,000,000 input tokens compared to MiMo-V2-Omni's 262,000 tokens. Claude Sonnet 5.5 can generate longer responses up to 128,000 tokens, while MiMo-V2-Omni is limited to 16,384 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Sonnet 5.5 and MiMo-V2-Omni support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Sonnet 5.5
MiMo-V2-Omni
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Sonnet 5.5 was released on 2026-09-28, while MiMo-V2-Omni was released on 2026-03-18.
Claude Sonnet 5.5 is 6 months newer than MiMo-V2-Omni.
Sep 28, 2026
2 weeks ago
6mo newerMar 18, 2026
6 months ago
Knowledge Cutoff
When training data ends
Claude Sonnet 5.5 has a documented knowledge cutoff of 2026-06-01, while MiMo-V2-Omni's cutoff date is not specified.
We can confirm Claude Sonnet 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without MiMo-V2-Omni's cutoff date.
Jun 2026
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Provider Availability
Claude Sonnet 5.5 is available from Anthropic. MiMo-V2-Omni is available from Xiaomi.
Claude Sonnet 5.5
MiMo-V2-Omni
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Sonnet 5.5 and MiMo-V2-Omni side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Sonnet 5.5 vs MiMo-V2-Omni.