Model Comparison

GPT-5.2 vs MiMo-V2-Omni

GPT-5.2 significantly outperforms across most benchmarks. MiMo-V2-Omni is 6.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-5.2 outperforms in 1 benchmarks (SWE-Bench Verified), while MiMo-V2-Omni is better at 0 benchmarks.

GPT-5.2 significantly outperforms across most benchmarks.

Fri Apr 03 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

MiMo-V2-Omni costs less

For input processing, GPT-5.2 ($1.75/1M tokens) is 4.4x more expensive than MiMo-V2-Omni ($0.40/1M tokens).

For output processing, GPT-5.2 ($14.00/1M tokens) is 7.0x more expensive than MiMo-V2-Omni ($2.00/1M tokens).

In conclusion, GPT-5.2 is more expensive than MiMo-V2-Omni.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Apr 03 2026 • llm-stats.com
OpenAI
GPT-5.2
Input tokens$1.75
Output tokens$14.00
Best providerOpenAI
Xiaomi
MiMo-V2-Omni
Input tokens$0.40
Output tokens$2.00
Best providerXiaomi
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-5.2 accepts 400,000 input tokens compared to MiMo-V2-Omni's 262,000 tokens. GPT-5.2 can generate longer responses up to 128,000 tokens, while MiMo-V2-Omni is limited to 16,384 tokens.

OpenAI
GPT-5.2
Input400,000 tokens
Output128,000 tokens
Xiaomi
MiMo-V2-Omni
Input262,000 tokens
Output16,384 tokens
Fri Apr 03 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.2 and MiMo-V2-Omni support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-5.2

Text
Images
Audio
Video

MiMo-V2-Omni

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-5.2

Proprietary

Closed source

MiMo-V2-Omni

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.2 was released on 2025-12-11, while MiMo-V2-Omni was released on 2026-03-18.

MiMo-V2-Omni is 3 months newer than GPT-5.2.

GPT-5.2

Dec 11, 2025

3 months ago

MiMo-V2-Omni

Mar 18, 2026

2 weeks ago

3mo newer

Knowledge Cutoff

When training data ends

GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while MiMo-V2-Omni's cutoff date is not specified.

We can confirm GPT-5.2's training data extends to 2025-08-25, but cannot make a direct comparison without MiMo-V2-Omni's cutoff date.

GPT-5.2

Aug 2025

MiMo-V2-Omni

—

Provider Availability

GPT-5.2 is available from OpenAI. MiMo-V2-Omni is available from Xiaomi.

GPT-5.2

openai logo
OpenAI
Input Price:Input: $1.75/1MOutput Price:Output: $14.00/1M

MiMo-V2-Omni

xiaomi logo
Xiaomi
Input Price:Input: $0.40/1MOutput Price:Output: $2.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Larger context window (400,000 tokens)
Higher SWE-Bench Verified score (80.0% vs 74.8%)
Xiaomi
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.2
Xiaomi
MiMo-V2-Omni

FAQ

Common questions about GPT-5.2 vs MiMo-V2-Omni

GPT-5.2 significantly outperforms across most benchmarks. GPT-5.2 is made by OpenAI and MiMo-V2-Omni is made by Xiaomi. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.2 scores AIME 2025: 100.0%, HMMT 2025: 99.4%, Tau2 Telecom: 98.7%, Graphwalks BFS <128k: 94.0%, GPQA: 92.4%. MiMo-V2-Omni scores PinchBench: 81.2%, SWE-Bench Verified: 74.8%, Claw-Eval: 54.8%, MM-BrowserComp: 52.0%, OmniGAIA: 49.8%.
MiMo-V2-Omni is 4.4x cheaper for input tokens. GPT-5.2 costs $1.75/M input and $14.00/M output via openai. MiMo-V2-Omni costs $0.40/M input and $2.00/M output via xiaomi.
GPT-5.2 supports 400K tokens and MiMo-V2-Omni supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (400K vs 262K), input pricing ($1.75 vs $0.40/M). See the full comparison above for benchmark-by-benchmark results.
GPT-5.2 is developed by OpenAI and MiMo-V2-Omni is developed by Xiaomi.