LLM API Comparison & Cost·OCTOBER 28, 2026
GPT-6.1 Terra API Price and Benchmarks
The OpenAI API charges $1.00 per million standard input tokens for gpt-6.1-terra. Cached input tokens drop to $0.05 per million. Output tokens cost $5.00 per million. The model supports roughly 1,050,000 tokens in its context window. You can request up to 128,000 output tokens…