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

GPT-6 Luna Pro vs Ternary Bonsai 2 27B

Compare GPT-6 Luna Pro from OpenAI and Ternary Bonsai 2 27B from Prism Ml 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-6 Luna Pro
Favicon for prism-ml
Ternary Bonsai 2 27B
Favicon for openai
GPT-6 Luna Pro
Favicon for prism-ml
Ternary Bonsai 2 27B

Overview

GPT-6 Luna Pro
Author
OpenAI
Ternary Bonsai 2 27B
Author
Prism Ml
GPT-6 Luna Pro
Context length
1.05Mtokens
Ternary Bonsai 2 27B
Context length
262Ktokens
GPT-6 Luna Pro
Reasoning
Ternary Bonsai 2 27B
Reasoning
GPT-6 Luna Pro
Input modalities
Ternary Bonsai 2 27B
Input modalities
GPT-6 Luna Pro
Output modalities
Ternary Bonsai 2 27B
Output modalities

GPT-6 Luna Pro vs Ternary Bonsai 2 27B: side-by-side summary

GPT-6 Luna Pro and Ternary Bonsai 2 27B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-6 Luna Pro, from OpenAI, has a 1,050,000-token context window and is priced at $0.10/M tokens input, $0.50/M tokens output on OpenRouter.

Ternary Bonsai 2 27B, from Prism Ml, has a 262,144-token context window and is priced at $0.075/M tokens input, $0.50/M tokens output on OpenRouter.

Context window
  • GPT-6 Luna Pro: 1,050,000 tokens
  • Ternary Bonsai 2 27B: 262,144 tokens
Price
  • GPT-6 Luna Pro: $0.10/M tokens input, $0.50/M tokens output
  • Ternary Bonsai 2 27B: $0.075/M tokens input, $0.50/M tokens output
Provided by
  • GPT-6 Luna Pro: OpenAI
  • Ternary Bonsai 2 27B: Prism Ml
  • model details, providers and pricing
GPT-6 Luna Pro
model details, providers and pricing
Ternary Bonsai 2 27B