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OpenAI: GPT-6.1 Terra vs OpenAI: GPT-6.1 Terra Pro

Both models cost about the same for the sample workload; both have the same context window.

MetricOpenAI: GPT-6.1 TerraOpenAI: GPT-6.1 Terra Pro
Model IDopenai/gpt-6.1-terraopenai/gpt-6.1-terra-pro
Prompt price$1.00 / 1M tokens$1.00 / 1M tokens
Completion price$5.00 / 1M tokens$5.00 / 1M tokens
Context1,050,000 tokens1,050,000 tokens
Tool calling✓✓
Structured outputs✓✓
Reasoning✓✓
Response format✓✓
Web search––
Input modalitiesfile, image, textfile, image, text
Output modalitiestexttext
Added2026-10-262026-10-26

Sample workload

Chat app: 1,000 prompt + 500 completion tokens × 100 requests per day.

CostOpenAI: GPT-6.1 TerraOpenAI: GPT-6.1 Terra Pro
Per day$0.35$0.35
Per 30 days$10.50$10.50

No difference.

OpenAI: GPT-6.1 Terra detailsOpenAI: GPT-6.1 Terra Pro detailsOpen in the live compare viewTry your own workload

Data updated 2026-10-30