Model Comparison

GPT-5.4 vs MiMo-V2-Omni

Comparing GPT-5.4 and MiMo-V2-Omni across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GPT-5.4 and MiMo-V2-Omni don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

MiMo-V2-Omni costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 6.3x more expensive than MiMo-V2-Omni ($0.40/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 7.5x more expensive than MiMo-V2-Omni ($2.00/1M tokens).

In conclusion, GPT-5.4 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-5.4
Input tokens$2.50
Output tokens$15.00
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-5.4 accepts 1,000,000 input tokens compared to MiMo-V2-Omni's 262,000 tokens. GPT-5.4 can generate longer responses up to 128,000 tokens, while MiMo-V2-Omni is limited to 16,384 tokens.

OpenAI
GPT-5.4
Input1,000,000 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-5.4 and MiMo-V2-Omni support multimodal inputs.

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

GPT-5.4

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-5.4

Proprietary

Closed source

MiMo-V2-Omni

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while MiMo-V2-Omni was released on 2026-03-18.

MiMo-V2-Omni is 0 month newer than GPT-5.4.

GPT-5.4

Mar 5, 2026

4 weeks ago

MiMo-V2-Omni

Mar 18, 2026

2 weeks ago

1w 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

GPT-5.4 is available from OpenAI. MiMo-V2-Omni is available from Xiaomi.

GPT-5.4

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

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

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Key Takeaways

OpenAI
Larger context window (1,000,000 tokens)
Xiaomi
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Xiaomi
MiMo-V2-Omni

FAQ

Common questions about GPT-5.4 vs MiMo-V2-Omni

GPT-5.4 (OpenAI) and MiMo-V2-Omni (Xiaomi) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%. 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 6.3x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. MiMo-V2-Omni costs $0.40/M input and $2.00/M output via xiaomi.
GPT-5.4 supports 1.0M 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 (1.0M vs 262K), input pricing ($2.50 vs $0.40/M). See the full comparison above for benchmark-by-benchmark results.
GPT-5.4 is developed by OpenAI and MiMo-V2-Omni is developed by Xiaomi.