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GPT-5.6 Terra OpenAI Muse Spark 1.1 Meta Legacy
Input $2.00 No data
Output $12.00 No data
Blended $4.50 No data
Context window 1.05M 1.05M
Max output 128k No data
Output speed 124.9 277.7
Quality 62 48.4
Reasoning 67.7 68
Coding 65.4 58.8
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 muse-spark-1.1

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  1. GPT-5.6 TerraOpenAI1.05M
  2. Muse Spark 1.1Meta1.05M

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