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ChatGPT-4o Latest vs MiMo-V2-Flash

ChatGPT-4o Latest and MiMo-V2-Flash are closely matched at 24.9 and 30.7 on the LLM Stats Score. MiMo-V2-Flash is 29.2x cheaper per token.

OpenAI · Xiaomi · Updated for 2026

Which is better?

ChatGPT-4o Latest and MiMo-V2-Flash are closely matched on the overall LLM Stats Score at 24.9 and 30.7.

In the 1 individual benchmarks reported for both models, ChatGPT-4o Latest wins 1; this is a narrower head-to-head signal than the composite indexes.

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.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose ChatGPT-4o Latest

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

Choose MiMo-V2-Flash

  • 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

At a glance

The differences that matter most.

Core performance indexes
24.9
#159
30.7
#117
24.0
#160
30.8
#113
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$2.50 / M
$0.10 / M
Output price
$10.00 / M
$0.30 / M
Context window
128,000
256,000

Individual benchmarks

1 reported for ChatGPT-4o Latest · 15 for MiMo-V2-Flash

1 shared

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.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiMo-V2-Flash costs less

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

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
OpenAI
ChatGPT-4o Latest
Input tokens$2.50
Output tokens$10.00
Best providerOpenAI
Xiaomi
MiMo-V2-Flash
Input tokens$0.10
Output tokens$0.30
Best providerXiaomi
Notice missing or incorrect data?Start an Issue

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.

OpenAI
ChatGPT-4o Latest
Input128,000 tokens
Output16,384 tokens
Xiaomi
MiMo-V2-Flash
Input256,000 tokens
Output16,384 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

Text
Images
Audio
Video

MiMo-V2-Flash

Text
Images
Audio
Video

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.

ChatGPT-4o Latest

Proprietary

Closed source

MiMo-V2-Flash

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.

ChatGPT-4o Latest

May 13, 2024

2.4 years ago

MiMo-V2-Flash

Dec 16, 2025

9 months ago

1.6yr newer

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

ChatGPT-4o Latest is available from OpenAI. MiMo-V2-Flash is available from Xiaomi.

ChatGPT-4o Latest

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

MiMo-V2-Flash

xiaomi logo
Xiaomi
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against ChatGPT-4o Latest and MiMo-V2-Flash side-by-side, then vote on the output you prefer.

ChatGPT-4o Latest
✓ Preferred
MiMo-V2-Flash
Open in Playground

FAQ

Common questions about ChatGPT-4o Latest vs MiMo-V2-Flash.

Which is better, ChatGPT-4o Latest or MiMo-V2-Flash?

ChatGPT-4o Latest and MiMo-V2-Flash are closely matched on the LLM Stats Score at 24.9 and 30.7. ChatGPT-4o Latest is made by OpenAI and MiMo-V2-Flash is made by Xiaomi. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does ChatGPT-4o Latest compare to MiMo-V2-Flash in benchmarks?

ChatGPT-4o Latest scores GPQA: 84.0%. MiMo-V2-Flash scores AIME 2025: 94.1%, Arena-Hard v2: 86.2%, MMLU-Pro: 84.9%, HMMT 2025: 84.4%, GPQA: 83.7%.

Is ChatGPT-4o Latest cheaper than MiMo-V2-Flash?

MiMo-V2-Flash is 25.0x cheaper for input tokens. ChatGPT-4o Latest costs $2.50/M input and $10.00/M output via openai. MiMo-V2-Flash costs $0.10/M input and $0.30/M output via xiaomi.

What are the context window sizes for ChatGPT-4o Latest and MiMo-V2-Flash?

ChatGPT-4o Latest supports 128K tokens and MiMo-V2-Flash supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between ChatGPT-4o Latest and MiMo-V2-Flash?

Key differences include LLM Stats Score (24.9 vs 30.7), context window (128K vs 256K), input pricing ($2.50 vs $0.10/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes ChatGPT-4o Latest and MiMo-V2-Flash?

ChatGPT-4o Latest is developed by OpenAI and MiMo-V2-Flash is developed by Xiaomi.