Compare models

Up to four models side by side.

Compare models
GPT-5.6 Terra OpenAI Kimi K3 Moonshot AI
Input $2.00 No data
Output $12.00 No data
Blended $4.50 No data
Context window 1.05M, Best in row 1M
Max output 128k No data
Output speed 124.9, Best in row 37.9
Quality 62 62.6, Best in row
Reasoning 67.7 70.2, Best in row
Coding 65.4, Best in row 59.5
Value 3.4 No data
Vision ✓ −
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ −
Prompt caching ✓ −
Batch API ✓ −
Licence Proprietary Proprietary
API model id gpt-5.6-terra kimi-k3

At a glance

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