Skip to content
  • Models
  • Rankings
  • Ori
Sign Up
Sign Up
OpenRouterOpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Benchmarks
  • Apps
  • Discover
  • Models
  • Collections
  • Providers
  • Pricing
  • Business
  • Enterprise
  • Labs

Company

  • About
  • Blog
  • Careers
    Hiring
  • Privacy
  • Terms of Service
  • Trust Center
  • Support
  • Works With OR
  • Data
  • Brand

Developer

  • Documentation
  • API Reference
  • Developer Platform
  • Status

Connect

  • Discord
  • GitHub
  • LinkedIn
  • X
  • YouTube
  1. Home
  2. /
  3. Compare

Gemini 2.5 Flash Preview 09-2025 vs gpt-oss-120b

Compare Gemini 2.5 Flash Preview 09-2025 from Google and gpt-oss-120b from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Gemini 2.5 Flash Preview 09-2025 vs gpt-oss-120b: side-by-side summary

Gemini 2.5 Flash Preview 09-2025 and gpt-oss-120b are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Gemini 2.5 Flash Preview 09-2025, from Google, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.

gpt-oss-120b, from OpenAI, has a 131,072-token context window and is priced at $0.03/M tokens input, $0.17/M tokens output on OpenRouter.

Context window
  • Gemini 2.5 Flash Preview 09-2025: 1,048,576 tokens
  • gpt-oss-120b: 131,072 tokens
Price
  • Gemini 2.5 Flash Preview 09-2025: Pricing varies by provider
  • gpt-oss-120b: $0.03/M tokens input, $0.17/M tokens output
Provided by
  • Gemini 2.5 Flash Preview 09-2025: Google
  • gpt-oss-120b: OpenAI
  • Gemini 2.5 Flash Preview 09-2025 model details, providers and pricing
  • gpt-oss-120b model details, providers and pricing