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OpenAI: GPT-5.6 Sol Pro

openai/gpt-5-6-sol-pro
CompareAPITry this model

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

Modalities
In / out per 1M$2.00 / $10
Context1M
ReleasedJul 9, 2026

Providers

5 providers serve this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
OpenAI$2.00$10$0.209.30s84 tps100%
Azure$4.00$20$0.405.85s102 tps100%
Azureswedencentral$4.40$22$0.442.97s52 tps100%
OpenAI$1.00$5.00$0.109.50s109 tps—
OpenAI$4.00$20$0.401.92s46 tps—

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

Pricing

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

Input
$2.00
per 1M tokens
Output
$10
per 1M tokens
Cache read
$0.20
per 1M cached tokens
Included in every pass
GPT-5.6 Sol 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, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
OpenAI Azure
0 tok/s100 tok/s200 tok/s300 tok/s400 tok/s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
OpenAI Azure

Uptime

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

Last 3 daysAvailability 99.94%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 99.91%
100% 98% 97% 95%
Oct 13, 2:40 PMNow

Apps

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

Hermes AgentPersonal Agent · 60.8% of tokens27.9BCodexCli Agent · 13.5% of tokens6.2BompCli Agent · 10.5% of tokens4.8BGajae-CodeCli Agent · 8.2% of tokens3.8BpiCli Agent · 7% of tokens3.2B

Activity

180.6B tokens processed market-wide in the last month.

010.0B20.0B30.0B40.0B
Sep 14Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14
Tokens

FAQ

Which model id do I use for GPT-5.6 Sol Pro?
openai/gpt-5.6-sol-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 Sol 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 Sol 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 $10 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 Sol Pro?
OpenAI, in the GPT family.

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