Model Comparison

GPT-5.4 vs MiMo-V2-Pro

GPT-5.4 significantly outperforms across most benchmarks. MiMo-V2-Pro is 3.8x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GPT-5.4 outperforms in 2 benchmarks (Tau2 Telecom, Terminal-Bench 2.0), while MiMo-V2-Pro is better at 0 benchmarks.

GPT-5.4 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-Pro costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 2.5x more expensive than MiMo-V2-Pro ($1.00/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 5.0x more expensive than MiMo-V2-Pro ($3.00/1M tokens).

In conclusion, GPT-5.4 is more expensive than MiMo-V2-Pro.*

* 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-Pro
Input tokens$1.00
Output tokens$3.00
Best providerXiaomi
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,000,000 tokens. GPT-5.4 can generate longer responses up to 128,000 tokens, while MiMo-V2-Pro is limited to 16,384 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
Xiaomi
MiMo-V2-Pro
Input1,000,000 tokens
Output16,384 tokens
Fri Apr 03 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.4 supports multimodal inputs, whereas MiMo-V2-Pro does not.

GPT-5.4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5.4

Text
Images
Audio
Video

MiMo-V2-Pro

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-Pro

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

GPT-5.4

Mar 5, 2026

4 weeks ago

MiMo-V2-Pro

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-Pro is available from Xiaomi.

GPT-5.4

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

MiMo-V2-Pro

xiaomi logo
Xiaomi
Input Price:Input: $1.00/1MOutput Price:Output: $3.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Supports multimodal inputs
Higher Tau2 Telecom score (98.9% vs 96.8%)
Higher Terminal-Bench 2.0 score (75.1% vs 57.1%)
Xiaomi
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

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

FAQ

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

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI and MiMo-V2-Pro is made by Xiaomi. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
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-Pro scores Tau2 Telecom: 96.8%, DeepSearchQA: 86.7%, PinchBench: 81.0%, SWE-Bench Verified: 78.0%, SWE-bench Multilingual: 71.7%.
MiMo-V2-Pro is 2.5x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. MiMo-V2-Pro costs $1.00/M input and $3.00/M output via xiaomi.
GPT-5.4 supports 1.0M tokens and MiMo-V2-Pro supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include input pricing ($2.50 vs $1.00/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
GPT-5.4 is developed by OpenAI and MiMo-V2-Pro is developed by Xiaomi.