Model Comparison

Claude Opus 4.8 vs MiMo-V2.5Which is better in 2026?

Claude Opus 4.8 significantly outperforms across most benchmarks. MiMo-V2.5 is 47.6x cheaper per token.

Verdict: Claude Opus 4.8 vs MiMo-V2.5 — which is better?

Claude Opus 4.8 (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 4.8 outperforms in 4 benchmarks (CharXiv-R, Finance Agent v2, SWE-Bench Pro, Terminal-Bench 2.0), while MiMo-V2.5 is better at 0 benchmarks. Claude Opus 4.8 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 4.8 if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • you want the most recent training data — it shipped May 2026

Choose MiMo-V2.5 if…

  • cost matters — it's about 47.6x 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

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude Opus 4.8 outperforms in 4 benchmarks (CharXiv-R, Finance Agent v2, SWE-Bench Pro, Terminal-Bench 2.0), while MiMo-V2.5 is better at 0 benchmarks.

Claude Opus 4.8 significantly outperforms across most benchmarks.

Fri Jul 17 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 4.8 ($5.00/1M tokens) is 29.8x more expensive than MiMo-V2.5 ($0.17/1M tokens).

For output processing, Claude Opus 4.8 ($25.00/1M tokens) is 74.4x more expensive than MiMo-V2.5 ($0.34/1M tokens).

In conclusion, Claude Opus 4.8 is more expensive than MiMo-V2.5.*

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

Lowest available price from all providers
Fri Jul 17 2026 • llm-stats.com
Anthropic
Claude Opus 4.8
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 4.8's 1,000,000 tokens. MiMo-V2.5 can generate longer responses up to 131,072 tokens, while Claude Opus 4.8 is limited to 128,000 tokens.

Anthropic
Claude Opus 4.8
Input1,000,000 tokens
Output128,000 tokens
Xiaomi
MiMo-V2.5
Input1,048,576 tokens
Output131,072 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.8 and MiMo-V2.5 support multimodal inputs.

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

Claude Opus 4.8

Text
Images
Audio
Video

MiMo-V2.5

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.8 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 4.8

Proprietary

Closed source

MiMo-V2.5

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 4.8 was released on 2026-05-28, while MiMo-V2.5 was released on 2026-04-22.

Claude Opus 4.8 is 1 month newer than MiMo-V2.5.

Claude Opus 4.8

May 28, 2026

1 months ago

1mo newer
MiMo-V2.5

Apr 22, 2026

2 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude Opus 4.8 is available from Anthropic, Vertex AI. MiMo-V2.5 is available from Novita, DeepInfra.

Claude Opus 4.8

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M
vertex logo
Unknown Organization
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
Higher CharXiv-R score (89.9% vs 81.0%)
Higher Finance Agent v2 score (53.9% vs 36.7%)
Higher SWE-Bench Pro score (69.2% vs 56.1%)
Higher Terminal-Bench 2.0 score (74.6% vs 65.8%)
Xiaomi
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Opus 4.8 and MiMo-V2.5 side-by-side, then vote on the output you prefer.

Claude Opus 4.8
✓ Preferred
MiMo-V2.5
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.8
Xiaomi
MiMo-V2.5

FAQ

Common questions about Claude Opus 4.8 vs MiMo-V2.5.

Which is better, Claude Opus 4.8 or MiMo-V2.5?

Claude Opus 4.8 significantly outperforms across most benchmarks. Claude Opus 4.8 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 4.8 compare to MiMo-V2.5 in benchmarks?

Claude Opus 4.8 scores GPQA: 93.6%, DeepSearchQA: 93.1%, CharXiv-R: 89.9%, SWE-Bench Verified: 88.6%, ScreenSpot Pro: 87.9%. 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 4.8 cheaper than MiMo-V2.5?

MiMo-V2.5 is 29.8x cheaper for input tokens. Claude Opus 4.8 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 4.8 and MiMo-V2.5?

Claude Opus 4.8 supports 1.0M 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 4.8 and MiMo-V2.5?

Key differences include context window (1.0M 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 4.8 and MiMo-V2.5?

Claude Opus 4.8 is developed by Anthropic and MiMo-V2.5 is developed by Xiaomi.

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