Model Comparison
Gemini 3 Flash vs MiMo-V2.5Which is better in 2026?
MiMo-V2.5 shows notably better performance in the majority of benchmarks. MiMo-V2.5 is 5.4x cheaper per token.
Verdict: Gemini 3 Flash vs MiMo-V2.5 — which is better?
Gemini 3 Flash (by Google) 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.
Gemini 3 Flash outperforms in 1 benchmarks (MMMU-Pro), while MiMo-V2.5 is better at 2 benchmarks (CharXiv-R, Terminal-Bench 2.0). MiMo-V2.5 shows notably better performance in the majority of benchmarks.
On price, MiMo-V2.5 is roughly 5.4x 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 Gemini 3 Flash if…
- you want predictable pricing at $0.50/M input and $3.00/M output
Choose MiMo-V2.5 if…
- you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
- cost matters — it's about 5.4x 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
Gemini 3 Flash outperforms in 1 benchmarks (MMMU-Pro), while MiMo-V2.5 is better at 2 benchmarks (CharXiv-R, Terminal-Bench 2.0).
MiMo-V2.5 shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3 Flash ($0.50/1M tokens) is 3.0x more expensive than MiMo-V2.5 ($0.17/1M tokens).
For output processing, Gemini 3 Flash ($3.00/1M tokens) is 8.9x more expensive than MiMo-V2.5 ($0.34/1M tokens).
In conclusion, Gemini 3 Flash is more expensive than MiMo-V2.5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
MiMo-V2.5 accepts 1,048,576 input tokens compared to Gemini 3 Flash's 1,000,000 tokens. MiMo-V2.5 can generate longer responses up to 131,072 tokens, while Gemini 3 Flash is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 3 Flash and MiMo-V2.5 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3 Flash
MiMo-V2.5
License
Usage and distribution terms
Gemini 3 Flash 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.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Gemini 3 Flash was released on 2025-12-17, while MiMo-V2.5 was released on 2026-04-22.
MiMo-V2.5 is 4 months newer than Gemini 3 Flash.
Dec 17, 2025
5 months ago
Apr 22, 2026
1 months ago
4mo newerKnowledge Cutoff
When training data ends
Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while MiMo-V2.5's cutoff date is not specified.
We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without MiMo-V2.5's cutoff date.
Jan 2025
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Provider Availability
Gemini 3 Flash is available from Google. MiMo-V2.5 is available from Novita, DeepInfra.
Gemini 3 Flash
MiMo-V2.5
Outputs Comparison
Key Takeaways
MiMo-V2.5
View detailsXiaomi
Detailed Comparison
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FAQ
Common questions about Gemini 3 Flash vs MiMo-V2.5.