OpenAI: GPT-5.6 Terra Pro

openai/gpt-5-6-terra-pro

GPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.

Modalities
In / out per 1M$2.00 / $12
Context1M
ReleasedJul 9, 2026

Providers

5 providers serve this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Azure$2.00$12$0.205.89s56 tps100%
OpenAI$2.00$12$0.2010.40s101 tps100%
Azureswedencentral$2.20$13$0.222.84s72 tps100%
OpenAI$1.00$6.00$0.101.96s210 tps—
OpenAI$4.00$24$0.401.99s39 tps—

Market-wide measurements, refreshed every 15 minutes. They describe who serves GPT-5.6 Terra Pro in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what GPT-5.6 Terra Pro costs pay-as-you-go elsewhere, not what you pay here.

Input
$2.00
per 1M tokens
Output
$12
per 1M tokens
Cache read
$0.20
per 1M cached tokens
Included in every pass
GPT-5.6 Terra Pro is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider, over the last 3 days.

0.0s10.0s20.0s30.0s40.0s
Oct 11, 12 AMOct 11, 10 AMOct 11, 6 PMOct 12, 2 AMOct 12, 10 AMOct 12, 6 PMOct 13, 2 AMOct 13, 10 AMOct 13, 6 PMOct 14, 2 AMOct 14, 10 AM
OpenAI OpenAI Azure
0 tok/s100 tok/s200 tok/s300 tok/s400 tok/s
Oct 11, 12 AMOct 11, 10 AMOct 11, 6 PMOct 12, 2 AMOct 12, 10 AMOct 12, 6 PMOct 13, 2 AMOct 13, 10 AMOct 13, 6 PMOct 14, 2 AMOct 14, 10 AM
OpenAI OpenAI Azure

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 99.86%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 99.75%
100% 95% 90% 85%
Oct 13, 2:50 PMNow

Apps

Tools that most often run GPT-5.6 Terra Pro, by tokens this week.

Activity

53.7B tokens processed market-wide in the last month.

02.0B4.0B6.0B8.0B
Sep 14Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14
Tokens

FAQ

Which model id do I use for GPT-5.6 Terra Pro?
openai/gpt-5.6-terra-pro. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does GPT-5.6 Terra Pro hold?
1,050,000 tokens per request, of which up to 128,000 can be the response.
What can it accept and return?
Input: file, image, text. Output: text.
What does GPT-5.6 Terra Pro cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $2.00 per 1M input tokens and $12 per 1M output tokens.
How current is its knowledge?
Training data runs to Feb 2026. Anything later has to come from your prompt or a tool call.
Who built GPT-5.6 Terra Pro?
OpenAI, in the GPT family.

Explore

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