Model Comparison
Claude 3 Opus vs MiMo-V2.5-ProWhich is better in 2026?
MiMo-V2.5-Pro shows notably better performance in the majority of benchmarks. MiMo-V2.5-Pro is 55.2x cheaper per token.
Verdict: Claude 3 Opus vs MiMo-V2.5-Pro — which is better?
Claude 3 Opus (by Anthropic) and MiMo-V2.5-Pro (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 3 Opus outperforms in 1 benchmarks (HellaSwag), while MiMo-V2.5-Pro is better at 6 benchmarks (ARC-C, DROP, GPQA, GSM8k, MATH, MMLU). MiMo-V2.5-Pro shows notably better performance in the majority of benchmarks.
On price, MiMo-V2.5-Pro is roughly 55.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
MiMo-V2.5-Pro also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude 3 Opus if…
- you want predictable pricing at $15.00/M input and $75.00/M output
Choose MiMo-V2.5-Pro if…
- you want the strongest raw capability — it leads on 7 of 8 shared benchmarks
- cost matters — it's about 55.2x 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
Performance Benchmarks
Comparative analysis across standard metrics
Claude 3 Opus outperforms in 1 benchmarks (HellaSwag), while MiMo-V2.5-Pro is better at 6 benchmarks (ARC-C, DROP, GPQA, GSM8k, MATH, MMLU).
MiMo-V2.5-Pro shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3 Opus ($15.00/1M tokens) is 34.5x more expensive than MiMo-V2.5-Pro ($0.43/1M tokens).
For output processing, Claude 3 Opus ($75.00/1M tokens) is 86.2x more expensive than MiMo-V2.5-Pro ($0.87/1M tokens).
In conclusion, Claude 3 Opus is more expensive than MiMo-V2.5-Pro.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
MiMo-V2.5-Pro accepts 1,048,576 input tokens compared to Claude 3 Opus's 200,000 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while MiMo-V2.5-Pro is limited to 131,072 tokens.
Input Capabilities
Supported data types and modalities
Claude 3 Opus supports multimodal inputs, whereas MiMo-V2.5-Pro does not.
Claude 3 Opus can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3 Opus
MiMo-V2.5-Pro
License
Usage and distribution terms
Claude 3 Opus is licensed under a proprietary license, while MiMo-V2.5-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 3 Opus was released on 2024-02-29, while MiMo-V2.5-Pro was released on 2026-04-27.
MiMo-V2.5-Pro is 26 months newer than Claude 3 Opus.
Feb 29, 2024
2.4 years ago
Apr 27, 2026
3 months ago
2.2yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3 Opus is available from Anthropic, Bedrock, Google. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.
Claude 3 Opus
MiMo-V2.5-Pro
Outputs Comparison
Key Takeaways
Claude 3 Opus
View detailsAnthropic
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Claude 3 Opus and MiMo-V2.5-Pro side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Claude 3 Opus vs MiMo-V2.5-Pro.