MiMo V2.5 Pro Thinking API
About
Build advanced reasoning agents with MiMo V2.5 Pro Thinking, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.43/1M input and $0.87/1M output tokens, native tool calling support, open weights architecture. Access MiMo V2.5 Pro Thinking via the NanoGPT API with up to 131K output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
131K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.43
Output
$0.87
Caching (per 1M tokens)
Read
$0.0036
Write
Free
Frequently Asked Questions
MiMo V2.5 Pro Thinking by NanoGPT costs $0.43 per 1M input tokens and $0.87 per 1M output tokens. Cached reads cost $0.0036 per 1M tokens. Cache writes cost Free per 1M tokens.
Model Details
ID
xiaomi/mimo-v2.5-pro:thinking
Provider
NanoGPTFamily
mimo
Release Date
Apr 22, 2026
Knowledge Cutoff
Dec 1, 2024
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
NANO_GPT_API_KEY
API Base URL
https://nano-gpt.com/api/v1