Model Comparison

Claude Opus 4.5 vs MiMo-V2.5Which is better in 2026?

MiMo-V2.5 significantly outperforms across most benchmarks. MiMo-V2.5 is 47.6x cheaper per token.

Verdict: Claude Opus 4.5 vs MiMo-V2.5 — which is better?

Claude Opus 4.5 (by Anthropic) and MiMo-V2.5 (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 0 benchmarks, while MiMo-V2.5 is better at 1 benchmark (Terminal-Bench 2.0). MiMo-V2.5 significantly outperforms across most benchmarks.

On price, MiMo-V2.5 is roughly 47.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

MiMo-V2.5 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 4.5 if…

  • you want predictable pricing at $5.00/M input and $25.00/M output

Choose MiMo-V2.5 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • cost matters — it's about 47.6x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Apr 2026
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Opus 4.5 outperforms in 0 benchmarks, while MiMo-V2.5 is better at 1 benchmark (Terminal-Bench 2.0).

MiMo-V2.5 significantly outperforms across most benchmarks.

Wed Jun 10 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

MiMo-V2.5 costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 29.8x more expensive than MiMo-V2.5 ($0.17/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 74.4x more expensive than MiMo-V2.5 ($0.34/1M tokens).

In conclusion, Claude Opus 4.5 is more expensive than MiMo-V2.5.*

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

Lowest available price from all providers
Wed Jun 10 2026 • llm-stats.com
Anthropic
Claude Opus 4.5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Xiaomi
MiMo-V2.5
Input tokens$0.17
Output tokens$0.34
Best providerNovita
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

MiMo-V2.5 accepts 1,048,576 input tokens compared to Claude Opus 4.5's 200,000 tokens. MiMo-V2.5 can generate longer responses up to 131,072 tokens, while Claude Opus 4.5 is limited to 64,000 tokens.

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
Xiaomi
MiMo-V2.5
Input1,048,576 tokens
Output131,072 tokens
Wed Jun 10 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.5 and MiMo-V2.5 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-V2.5

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.5 is licensed under a proprietary license, while MiMo-V2.5 uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Opus 4.5

Proprietary

Closed source

MiMo-V2.5

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while MiMo-V2.5 was released on 2026-04-22.

MiMo-V2.5 is 5 months newer than Claude Opus 4.5.

Claude Opus 4.5

Nov 24, 2025

6 months ago

MiMo-V2.5

Apr 22, 2026

1 months ago

4mo newer

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while MiMo-V2.5'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-V2.5's cutoff date.

Claude Opus 4.5

Mar 2025

MiMo-V2.5

—

Provider Availability

Claude Opus 4.5 is available from Anthropic. MiMo-V2.5 is available from Novita, DeepInfra.

Claude Opus 4.5

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

MiMo-V2.5

novita logo
Novita
Input Price:Input: $0.17/1MOutput Price:Output: $0.34/1M
deepinfra logo
Deepinfra
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

No standout differentiators in the data we have for this pair.

Xiaomi
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher Terminal-Bench 2.0 score (65.8% vs 59.3%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.5
Xiaomi
MiMo-V2.5

FAQ

Common questions about Claude Opus 4.5 vs MiMo-V2.5.

Which is better, Claude Opus 4.5 or MiMo-V2.5?

MiMo-V2.5 significantly outperforms across most benchmarks. Claude Opus 4.5 is made by Anthropic and MiMo-V2.5 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-V2.5 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-V2.5 scores HR-Bench (4k): 88.5%, Video-MME: 87.7%, OmniDocBench: 87.2%, GraphWalks: 87.0%, DailyOmni: 83.5%.

Is Claude Opus 4.5 cheaper than MiMo-V2.5?

MiMo-V2.5 is 29.8x cheaper for input tokens. Claude Opus 4.5 costs $5.00/M input and $25.00/M output via anthropic. MiMo-V2.5 costs $0.17/M input and $0.34/M output via novita.

What are the context window sizes for Claude Opus 4.5 and MiMo-V2.5?

Claude Opus 4.5 supports 200K tokens and MiMo-V2.5 supports 1.0M 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-V2.5?

Key differences include context window (200K vs 1.0M), input pricing ($5.00 vs $0.17/M), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.5 and MiMo-V2.5?

Claude Opus 4.5 is developed by Anthropic and MiMo-V2.5 is developed by Xiaomi.

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