OpenAI prices gpt-6.1-terra at 1 input and 5 output per MTok, with batch, flex, fast and long_context tiers alert agent-judge Nov 1 21:30Z
The standard gpt-6.1-terra row lists input at 1, cached input at 0.05 and output at 5 per MTok. The batch and flex tiers list 0.5 input and 2.5 output; the fast tier 2 input and 10 output; long_context 2 input and 7.5 output; batch_long_context and flex_long_context 1 input and 3.75 output; fast_long_context 4 input and 15 output. A full tier ladder on day one gives the model a complete price surface across throughput and latency options.
developers.openai.com Nov 1 21:30Z 42316647fcd1d8ca2dcafab544e1872818ec5a8ee84d5d4e7816521b8f48c9ec gpt-6.1-terra (flex) — $0.50 in / $2.50 out per Mtok Record fields before and after the change Field Before After cached_input_per_mtok ∅ 0.025 context_window ∅ ∅ currency ∅ USD effective_from ∅ ∅ effective_until ∅ ∅ input_per_mtok ∅ 0.5 model_slug ∅ gpt-6.1-terra notes ∅ ∅ output_per_mtok ∅ 2.5 provider ∅ openai tier ∅ flex
developers.openai.com Nov 1 21:30Z model:openai:gpt-6.1-terra:flex detected 2026-11-01T21:30:43.819Z gpt-6.1-terra (fast_long_context) — $4.00 in / $15.00 out per Mtok Record fields before and after the change Field Before After cached_input_per_mtok ∅ 0.2 context_window ∅ ∅ currency ∅ USD effective_from ∅ ∅ effective_until ∅ ∅ input_per_mtok ∅ 4 model_slug ∅ gpt-6.1-terra notes ∅ long context output_per_mtok ∅ 15 provider ∅ openai tier ∅ fast_long_context
developers.openai.com Nov 1 21:30Z model:openai:gpt-6.1-terra:fast_long_context detected 2026-11-01T21:30:43.819Z gpt-6.1-terra (batch) — $0.50 in / $2.50 out per Mtok Record fields before and after the change Field Before After cached_input_per_mtok ∅ 0.025 context_window ∅ ∅ currency ∅ USD effective_from ∅ ∅ effective_until ∅ ∅ input_per_mtok ∅ 0.5 model_slug ∅ gpt-6.1-terra notes ∅ ∅ output_per_mtok ∅ 2.5 provider ∅ openai tier ∅ batch
developers.openai.com Nov 1 21:30Z model:openai:gpt-6.1-terra:batch detected 2026-11-01T21:30:43.819Z gpt-6.1-terra (flex_long_context) — $1.00 in / $3.75 out per Mtok Record fields before and after the change Field Before After cached_input_per_mtok ∅ 0.05 context_window ∅ ∅ currency ∅ USD effective_from ∅ ∅ effective_until ∅ ∅ input_per_mtok ∅ 1 model_slug ∅ gpt-6.1-terra notes ∅ long context output_per_mtok ∅ 3.75 provider ∅ openai tier ∅ flex_long_context
developers.openai.com Nov 1 21:30Z model:openai:gpt-6.1-terra:flex_long_context detected 2026-11-01T21:30:43.819Z gpt-6.1-terra (batch_long_context) — $1.00 in / $3.75 out per Mtok Record fields before and after the change Field Before After cached_input_per_mtok ∅ 0.05 context_window ∅ ∅ currency ∅ USD effective_from ∅ ∅ effective_until ∅ ∅ input_per_mtok ∅ 1 model_slug ∅ gpt-6.1-terra notes ∅ long context output_per_mtok ∅ 3.75 provider ∅ openai tier ∅ batch_long_context
developers.openai.com Nov 1 21:30Z model:openai:gpt-6.1-terra:batch_long_context detected 2026-11-01T21:30:43.819Z gpt-6.1-terra (fast) — $2.00 in / $10.00 out per Mtok Record fields before and after the change Field Before After cached_input_per_mtok ∅ 0.1 context_window ∅ ∅ currency ∅ USD effective_from ∅ ∅ effective_until ∅ ∅ input_per_mtok ∅ 2 model_slug ∅ gpt-6.1-terra notes ∅ ∅ output_per_mtok ∅ 10 provider ∅ openai tier ∅ fast
developers.openai.com Nov 1 21:30Z model:openai:gpt-6.1-terra:fast detected 2026-11-01T21:30:43.819Z gpt-6.1-terra — $1.00 in / $5.00 out per Mtok Record fields before and after the change Field Before After cached_input_per_mtok ∅ 0.05 context_window ∅ ∅ currency ∅ USD effective_from ∅ ∅ effective_until ∅ ∅ input_per_mtok ∅ 1 model_slug ∅ gpt-6.1-terra notes ∅ ∅ output_per_mtok ∅ 5 provider ∅ openai tier ∅ ∅
developers.openai.com Nov 1 21:30Z model:openai:gpt-6.1-terra detected 2026-11-01T21:30:43.819Z gpt-6.1-terra (long_context) — $2.00 in / $7.50 out per Mtok Record fields before and after the change Field Before After cached_input_per_mtok ∅ 0.1 context_window ∅ ∅ currency ∅ USD effective_from ∅ ∅ effective_until ∅ ∅ input_per_mtok ∅ 2 model_slug ∅ gpt-6.1-terra notes ∅ long context output_per_mtok ∅ 7.5 provider ∅ openai tier ∅ long_context
developers.openai.com Nov 1 21:30Z model:openai:gpt-6.1-terra:long_context detected 2026-11-01T21:30:43.819Z Data from the last 90 days is CC BY 4.0. Older data is CC BY-NC 4.0, except what we published before 2026-11-04, which stays CC BY 4.0. How you can reuse it .