Gemini 2.5 Flash Preview 09-25 vs Kimi K2 Instruct
Gemini 2.5 Flash Preview 09-25 offers 1.0M tokens context vs 131K tokens, Gemini 2.5 Flash Preview 09-25 is more cost-effective, Gemini 2.5 Flash Preview 09-25 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Gemini 2.5 Flash Preview 09-25
Vercel AI Gateway
1.0M tokens context • $0.30 / $2.50 per 1M tokens
View full specifications →Kimi K2 Instruct
Vercel AI Gateway
131K tokens context • $1.00 / $3.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Gemini 2.5 Flash Preview 09-25
Kimi K2 Instruct
Provider
Vercel AI Gateway
Vercel AI Gateway
Context Window
1.0M tokens
131K tokens
Max Output Tokens
66K tokens
16K tokens
Input Pricing (per 1M tokens)
$0.30
$1.00
Output Pricing (per 1M tokens)
$2.50
$3.00
Release Date
Sep 2025
Jul 2025
Capabilities
Capability
Gemini 2.5 Flash Preview 09-25
Kimi K2 Instruct
Text Generation
Vision
Audio Input
Video Understanding
PDF Processing
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Gemini 2.5 Flash Preview 09-25 if:
- • You need a larger context window
- • Cost efficiency is a priority
- • You need advanced reasoning
Choose Kimi K2 Instruct if:
- • You prefer open weights