Compare models

Up to four models side by side.

Compare models
GPT-6.1 Terra OpenAI Muse Spark Open Meta
Input $1.00 No data
Output $5.00 No data
Blended $2.00 No data
Context window 1.05M No data
Max output 128k No data
Output speed No data 140.3
Quality No data 57.3
Reasoning No data 66.5
Coding No data 58.4
Vision ✓ −
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ −
Prompt caching ✓ −
Self-hostable − ✓
Licence Proprietary Open weights
API model id gpt-6.1-terra No data

Popular comparisons

Head-to-head pages for models people weigh against each other.

Language models 77
Image generation 18
Video generation 11
Text to speech 9
Speech to text 25
Voice and realtime 17
Embeddings 3