GPT-5 Nano vs Kimi K2 Thinking Turbo
GPT-5 Nano offers 400K tokens context vs 262K tokens, GPT-5 Nano is more cost-effective, GPT-5 Nano supports vision. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
GPT-5 Nano
Vercel AI Gateway
400K tokens context • $0.05 / $0.40 per 1M tokens
View full specifications →Kimi K2 Thinking Turbo
Moonshot AI (China)
262K tokens context • $1.15 / $8.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
GPT-5 Nano
Kimi K2 Thinking Turbo
Provider
Vercel AI Gateway
Moonshot AI (China)
Context Window
400K tokens
262K tokens
Max Output Tokens
128K tokens
262K tokens
Input Pricing (per 1M tokens)
$0.05
$1.15
Output Pricing (per 1M tokens)
$0.40
$8.00
Release Date
Aug 2025
Nov 2025
Capabilities
Capability
GPT-5 Nano
Kimi K2 Thinking Turbo
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose GPT-5 Nano if:
- • You need a larger context window
- • Cost efficiency is a priority
Choose Kimi K2 Thinking Turbo if:
- • You prefer open weights