Model Comparison
Gemini 3.5 Flash vs MiMo-V2.5-ProWhich is better in 2026?
Gemini 3.5 Flash significantly outperforms across most benchmarks. MiMo-V2.5-Pro is 6.2x cheaper per token.
Verdict: Gemini 3.5 Flash vs MiMo-V2.5-Pro — which is better?
Gemini 3.5 Flash (by Google) 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.
Gemini 3.5 Flash outperforms in 4 benchmarks (Finance Agent v2, GDPval-AA, Humanity's Last Exam, Terminal-Bench 2.0), while MiMo-V2.5-Pro is better at 1 benchmark (SWE-Bench Pro). Gemini 3.5 Flash significantly outperforms across most benchmarks.
On price, MiMo-V2.5-Pro is roughly 6.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Choose Gemini 3.5 Flash if…
- you want the strongest raw capability — it leads on 4 of 5 shared benchmarks
- you want the most recent training data — it shipped May 2026
Choose MiMo-V2.5-Pro if…
- cost matters — it's about 6.2x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3.5 Flash outperforms in 4 benchmarks (Finance Agent v2, GDPval-AA, Humanity's Last Exam, Terminal-Bench 2.0), while MiMo-V2.5-Pro is better at 1 benchmark (SWE-Bench Pro).
Gemini 3.5 Flash significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3.5 Flash ($1.50/1M tokens) is 3.4x more expensive than MiMo-V2.5-Pro ($0.43/1M tokens).
For output processing, Gemini 3.5 Flash ($9.00/1M tokens) is 10.3x more expensive than MiMo-V2.5-Pro ($0.87/1M tokens).
In conclusion, Gemini 3.5 Flash 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
Both models have the same input context window of 1,048,576 tokens. MiMo-V2.5-Pro can generate longer responses up to 131,072 tokens, while Gemini 3.5 Flash is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Gemini 3.5 Flash supports multimodal inputs, whereas MiMo-V2.5-Pro does not.
Gemini 3.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 3.5 Flash
MiMo-V2.5-Pro
License
Usage and distribution terms
Gemini 3.5 Flash 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
Gemini 3.5 Flash was released on 2026-05-19, while MiMo-V2.5-Pro was released on 2026-04-27.
Gemini 3.5 Flash is 1 month newer than MiMo-V2.5-Pro.
May 19, 2026
1 months ago
3w newerApr 27, 2026
2 months ago
Knowledge Cutoff
When training data ends
Gemini 3.5 Flash has a documented knowledge cutoff of 2026-01-31, while MiMo-V2.5-Pro's cutoff date is not specified.
We can confirm Gemini 3.5 Flash's training data extends to 2026-01-31, but cannot make a direct comparison without MiMo-V2.5-Pro's cutoff date.
Jan 2026
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Provider Availability
Gemini 3.5 Flash is available from Google. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.
Gemini 3.5 Flash
MiMo-V2.5-Pro
Outputs Comparison
Key Takeaways
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Gemini 3.5 Flash and MiMo-V2.5-Pro side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Gemini 3.5 Flash vs MiMo-V2.5-Pro.