GPT-5.6 Terra
Last verified August 17, 2026 · OpenAI pricing ↗$2.00/1M input · $12.00/1M output · 1.1M context · OpenAI
Count Tokens
—
Tokens
—
Input Cost
—
Output Cost
Estimate Monthly Cost
Monthly Cost Estimator
Quick:
<$0.0001/mo
Pick a preset above or enter custom usage
Alternatives to GPT-5.6 Terra
Pricing Details
OpenAIBalanced production tier of the GPT-5.6 family. Price cut 20% on 2026-07-30 from $2.50/$15.00; every line fell by exactly 1.25x. Now 2.5x cheaper than Sol on tokens but only 2.14x cheaper per finished task. Matches Gemini 3.1 Pro's $2/$12 card to the cent. Cached input: $0.20/1M. Batch and Flex: $1.00/$6.00. Fast mode: $4.00 input / $0.40 cached / $24.00 output, a flat 2x, with a 99.9% uptime SLA and 99% of requests above 70 output tok/s. Above 272K input tokens the whole request bills at 2x input / 1.5x output ($4.00/$18.00). CHANGED 2026-08-05: Fast mode now accepts long-context prompts, and the pricing page publishes Fast long context at $8.00 input / $0.80 cached / $36.00 output. Batch/Flex long context: $2.00/$9.00. Artificial Analysis (max reasoning effort): Intelligence Index 55, 96M output tokens and $1,607.93 to run the index, 131.8 tok/s, 143.74s TTFT. Rates confirmed on OpenAI's own pricing page (verified 2026-07-31).
Input / 1M tokens
$2
Output / 1M tokens
$12
Context Window
1.1M
Max Output
128K
Price History
No price change recorded since 2026-08-09, when this site started tracking this model; it launched on 2026-06-26.
Frequently Asked Questions
Common questions about GPT-5.6 Terra pricing and usage
Read More About GPT-5.6 Terra
Sakana priced Fugu Max at $2 and $6, which is Qwen3.8 Max's card to the cent, and says the output line is 40% to 60% under Sonnet 5, Terra and Kimi K3. The tokens billed at that rate include every internal call the orchestrator makes, and Sakana publishes neither the count nor the models it calls.
September 12, 2026 · 14 min read
Mira Murati's lab open-sourced a frontier-class model. The strange part is how hard it is to just buy tokens for it.
July 20, 2026 · 7 min read