TL;DR: GPTMuse adds five new GPT-5 models including image generation variants and the new GPT-5.1 series with adaptive reasoning.
GPT-5 Image Models
GPT-5 Image: Advanced image generation with massive context
- 400k context, 128k max output tokens
- €9.78 per million tokens (input/output)
- €0.039 per thousand output images
GPT-5 Image Mini: Efficient image generation
- 400k context with web search
- €2.44 input / €1.96 output per million tokens
- €0.008 per thousand output images
GPT-5.1 Series
GPT-5.1: Frontier-grade model with adaptive computation
- Stronger reasoning and instruction adherence
- 400k context window
- €1.22 input / €9.78 output per million tokens
GPT-5.1 Chat: Low-latency chat variant
- Adaptive reasoning for complex queries
- 128k context for faster responses
- €1.22 input / €9.78 output per million tokens
GPT-5.1 Codex: Specialized for software engineering
- Improved code quality and steerability
- 400k context window
- €1.22 input / €9.78 output per million tokens