Model Comparison

Claude Opus 4.5 vs MiMo-V2-OmniWhich is better in 2026?

Claude Opus 4.5 significantly outperforms across most benchmarks. MiMo-V2-Omni is 12.5x cheaper per token.

Verdict: Claude Opus 4.5 vs MiMo-V2-Omni — which is better?

Claude Opus 4.5 (by Anthropic) and MiMo-V2-Omni (by Xiaomi) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Claude Opus 4.5 outperforms in 1 benchmarks (SWE-Bench Verified), while MiMo-V2-Omni is better at 0 benchmarks. Claude Opus 4.5 significantly outperforms across most benchmarks.

On price, MiMo-V2-Omni is roughly 12.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

MiMo-V2-Omni also accepts a larger context window (262,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 4.5 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks

Choose MiMo-V2-Omni if…

  • cost matters — it's about 12.5x cheaper per token
  • you process long inputs — it offers a 262,000 token context window
  • you want the most recent training data — it shipped Mar 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Opus 4.5 outperforms in 1 benchmarks (SWE-Bench Verified), while MiMo-V2-Omni is better at 0 benchmarks.

Claude Opus 4.5 significantly outperforms across most benchmarks.

Sun Jul 05 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

MiMo-V2-Omni costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 12.5x more expensive than MiMo-V2-Omni ($0.40/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 12.5x more expensive than MiMo-V2-Omni ($2.00/1M tokens).

In conclusion, Claude Opus 4.5 is more expensive than MiMo-V2-Omni.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Jul 05 2026 • llm-stats.com
Anthropic
Claude Opus 4.5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Xiaomi
MiMo-V2-Omni
Input tokens$0.40
Output tokens$2.00
Best providerXiaomi
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

MiMo-V2-Omni accepts 262,000 input tokens compared to Claude Opus 4.5's 200,000 tokens. Claude Opus 4.5 can generate longer responses up to 64,000 tokens, while MiMo-V2-Omni is limited to 16,384 tokens.

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
Xiaomi
MiMo-V2-Omni
Input262,000 tokens
Output16,384 tokens
Sun Jul 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.5 and MiMo-V2-Omni support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Opus 4.5

Text
Images
Audio
Video

MiMo-V2-Omni

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Opus 4.5

Proprietary

Closed source

MiMo-V2-Omni

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while MiMo-V2-Omni was released on 2026-03-18.

MiMo-V2-Omni is 4 months newer than Claude Opus 4.5.

Claude Opus 4.5

Nov 24, 2025

7 months ago

MiMo-V2-Omni

Mar 18, 2026

3 months ago

3mo newer

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while MiMo-V2-Omni's cutoff date is not specified.

We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without MiMo-V2-Omni's cutoff date.

Claude Opus 4.5

Mar 2025

MiMo-V2-Omni

—

Provider Availability

Claude Opus 4.5 is available from Anthropic. MiMo-V2-Omni is available from Xiaomi.

Claude Opus 4.5

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

MiMo-V2-Omni

xiaomi logo
Xiaomi
Input Price:Input: $0.40/1MOutput Price:Output: $2.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Higher SWE-Bench Verified score (80.9% vs 74.8%)
Xiaomi
Larger context window (262,000 tokens)
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Opus 4.5 and MiMo-V2-Omni side-by-side, then vote on the output you prefer.

Claude Opus 4.5
✓ Preferred
MiMo-V2-Omni
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.5
Xiaomi
MiMo-V2-Omni

FAQ

Common questions about Claude Opus 4.5 vs MiMo-V2-Omni.

Which is better, Claude Opus 4.5 or MiMo-V2-Omni?

Claude Opus 4.5 significantly outperforms across most benchmarks. Claude Opus 4.5 is made by Anthropic and MiMo-V2-Omni is made by Xiaomi. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Opus 4.5 compare to MiMo-V2-Omni in benchmarks?

Claude Opus 4.5 scores Tau2 Telecom: 98.2%, MMMLU: 90.8%, Tau2 Retail: 88.9%, GPQA: 87.0%, SWE-Bench Verified: 80.9%. MiMo-V2-Omni scores PinchBench: 81.2%, SWE-Bench Verified: 74.8%, Claw-Eval: 54.8%, MM-BrowserComp: 52.0%, OmniGAIA: 49.8%.

Is Claude Opus 4.5 cheaper than MiMo-V2-Omni?

MiMo-V2-Omni is 12.5x cheaper for input tokens. Claude Opus 4.5 costs $5.00/M input and $25.00/M output via anthropic. MiMo-V2-Omni costs $0.40/M input and $2.00/M output via xiaomi.

What are the context window sizes for Claude Opus 4.5 and MiMo-V2-Omni?

Claude Opus 4.5 supports 200K tokens and MiMo-V2-Omni supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 4.5 and MiMo-V2-Omni?

Key differences include context window (200K vs 262K), input pricing ($5.00 vs $0.40/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.5 and MiMo-V2-Omni?

Claude Opus 4.5 is developed by Anthropic and MiMo-V2-Omni is developed by Xiaomi.

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