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  1. Home
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  3. Compare

GPT-5.4 Mini vs MiMo-V2-Pro

Compare GPT-5.4 Mini from OpenAI and MiMo-V2-Pro from Xiaomi on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Favicon for openai
GPT-5.4 Mini
Favicon for xiaomi
MiMo-V2-Pro
Favicon for openai
GPT-5.4 Mini
Favicon for xiaomi
MiMo-V2-Pro

Overview

GPT-5.4 Mini
Author
OpenAI
MiMo-V2-Pro
Author
Xiaomi
GPT-5.4 Mini
Context length
400Ktokens
MiMo-V2-Pro
Context length
1.05Mtokens
GPT-5.4 Mini
Reasoning
MiMo-V2-Pro
Reasoning
GPT-5.4 Mini
Input modalities
MiMo-V2-Pro
Input modalities
GPT-5.4 Mini
Output modalities
MiMo-V2-Pro
Output modalities

GPT-5.4 Mini vs MiMo-V2-Pro: side-by-side summary

GPT-5.4 Mini and MiMo-V2-Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-5.4 Mini, from OpenAI, has a 400,000-token context window and is priced at $0.75/M tokens input, $4.50/M tokens output on OpenRouter.

MiMo-V2-Pro, from Xiaomi, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.

Context window
  • GPT-5.4 Mini: 400,000 tokens
  • MiMo-V2-Pro: 1,048,576 tokens
Price
  • GPT-5.4 Mini: $0.75/M tokens input, $4.50/M tokens output
  • MiMo-V2-Pro: Pricing varies by provider
Provided by
  • GPT-5.4 Mini: OpenAI
  • MiMo-V2-Pro: Xiaomi
  • GPT-5.4 Mini model details, providers and pricing
  • MiMo-V2-Pro model details, providers and pricing

GPT-5.4 Mini vs MiMo-V2-Pro at a glance

GPT-5.4 Mini vs MiMo-V2-Pro comparison
AttributeGPT-5.4 MiniMiMo-V2-Pro
Input price$0.75/M tokensPricing varies by provider
Output price$4.50/M tokensPricing varies by provider
Context window400,000 tokens1,048,576 tokens
Intelligence Index19.728.6
Coding IndexNot availableNot available
Agentic IndexNot availableNot available
Latency (p50)2.26 sNot available
Throughput (p50)131.0 tok/sNot available

Benchmark data updated Oct 5, 2026

Frequently asked questions

Which has the longer context window, GPT-5.4 Mini or MiMo-V2-Pro?

MiMo-V2-Pro has the longer context window at 1,048,576 tokens, compared with 400,000 tokens for GPT-5.4 Mini.