Model Comparison
ChatGPT-4o Latest vs MiMo-V2-FlashWhich is better in 2026?
ChatGPT-4o Latest significantly outperforms across most benchmarks. MiMo-V2-Flash is 29.2x cheaper per token.
Verdict: ChatGPT-4o Latest vs MiMo-V2-Flash — which is better?
ChatGPT-4o Latest (by OpenAI) and MiMo-V2-Flash (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.
ChatGPT-4o Latest outperforms in 1 benchmarks (GPQA), while MiMo-V2-Flash is better at 0 benchmarks. ChatGPT-4o Latest significantly outperforms across most benchmarks.
On price, MiMo-V2-Flash is roughly 29.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
MiMo-V2-Flash also accepts a larger context window (256,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose ChatGPT-4o Latest if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
Choose MiMo-V2-Flash if…
- cost matters — it's about 29.2x cheaper per token
- you process long inputs — it offers a 256,000 token context window
- you want the most recent training data — it shipped Dec 2025
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
ChatGPT-4o Latest outperforms in 1 benchmarks (GPQA), while MiMo-V2-Flash is better at 0 benchmarks.
ChatGPT-4o Latest significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, ChatGPT-4o Latest ($2.50/1M tokens) is 25.0x more expensive than MiMo-V2-Flash ($0.10/1M tokens).
For output processing, ChatGPT-4o Latest ($10.00/1M tokens) is 33.3x more expensive than MiMo-V2-Flash ($0.30/1M tokens).
In conclusion, ChatGPT-4o Latest is more expensive than MiMo-V2-Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
MiMo-V2-Flash accepts 256,000 input tokens compared to ChatGPT-4o Latest's 128,000 tokens. Both models can generate responses up to 16,384 tokens.
Input Capabilities
Supported data types and modalities
ChatGPT-4o Latest supports multimodal inputs, whereas MiMo-V2-Flash does not.
ChatGPT-4o Latest can handle both text and other forms of data like images, making it suitable for multimodal applications.
ChatGPT-4o Latest
MiMo-V2-Flash
License
Usage and distribution terms
ChatGPT-4o Latest is licensed under a proprietary license, while MiMo-V2-Flash 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
ChatGPT-4o Latest was released on 2024-05-13, while MiMo-V2-Flash was released on 2025-12-16.
MiMo-V2-Flash is 19 months newer than ChatGPT-4o Latest.
May 13, 2024
2.1 years ago
Dec 16, 2025
5 months ago
1.6yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
ChatGPT-4o Latest is available from OpenAI. MiMo-V2-Flash is available from Xiaomi.
ChatGPT-4o Latest
MiMo-V2-Flash
Outputs Comparison
Key Takeaways
Detailed Comparison
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FAQ
Common questions about ChatGPT-4o Latest vs MiMo-V2-Flash.