openaiListed Jul 9, 2026

OpenAI: GPT-5.6 Sol Pro

GPT-5.6 Sol Pro is the same underlying model as GPT-5.6 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more...

Context window1.1M
Max output128K
Provider endpoints6
Benchmark results0
Measured performance

Benchmark results

All leaderboards ↗
—

No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

11 quotes

Your token mix

USD · listed token rates

OpenAI · via OpenRouteropenai/flex · tier=flex · prompt ≤ 272000 tokens
$4.50
Azure · via OpenRouterazure · prompt ≤ 272000 tokens
$9.00
OpenAI · via OpenRouteropenai · prompt ≤ 272000 tokens
$9.00
Azure · via OpenRouterazure/eu · prompt ≤ 272000 tokens
$9.90
OpenAI · via OpenRouteropenai/fast · tier=priority · prompt ≤ 272000 tokens
$18.00

OpenRouter

Catalog quote
Input
$4.00
Output
$20.00
Cached input
$0.40
USD / 1M tokens
1.1M context128K max outputPrice source ↗Checked Oct 18, 2026
Endpoint IDopenai/gpt-5.6-sol-pro

OpenAI

via OpenRouter

openai/flex · tier=flex · prompt ≤ 272000 tokens

Input
$2.00
Output
$10.00
Cached input
$0.20
USD / 1M tokens

Max prompt 922000 tokens · Cache write $2.5/M tokens · Web search $0.01/search

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::openai/flex

OpenAI

via OpenRouter

openai/flex · tier=flex · prompt over 272000 tokens · rate option 1

Conditional rate
Input
$4.00
Output
$15.00
Cached input
$0.40
USD / 1M tokens

Max prompt 922000 tokens · Cache write $5/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::openai/flex

Azure

via OpenRouter

azure · prompt ≤ 272000 tokens

Input
$4.00
Output
$20.00
Cached input
$0.40
USD / 1M tokens

Max prompt 922000 tokens · Cache write $5/M tokens · Web search $0.01/search

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::azure

Azure

via OpenRouter

azure · prompt over 272000 tokens · rate option 1

Conditional rate
Input
$8.00
Output
$30.00
Cached input
$0.80
USD / 1M tokens

Max prompt 922000 tokens · Cache write $10/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::azure

OpenAI

via OpenRouter

openai · prompt ≤ 272000 tokens

Input
$4.00
Output
$20.00
Cached input
$0.40
USD / 1M tokens

Max prompt 922000 tokens · Cache write $5/M tokens · Web search $0.01/search

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::openai

OpenAI

via OpenRouter

openai · prompt over 272000 tokens · rate option 1

Conditional rate
Input
$8.00
Output
$30.00
Cached input
$0.80
USD / 1M tokens

Max prompt 922000 tokens · Cache write $10/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::openai

Azure

via OpenRouter

azure/eu · prompt ≤ 272000 tokens

Input
$4.40
Output
$22.00
Cached input
$0.44
USD / 1M tokens

Cache write $5.5/M tokens · Web search $0.01/search

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::azure/eu

Azure

via OpenRouter

azure/eu · prompt over 272000 tokens · rate option 1

Conditional rate
Input
$8.80
Output
$33.00
Cached input
$0.88
USD / 1M tokens

Cache write $11/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::azure/eu

OpenAI

via OpenRouter

openai/fast · tier=priority · prompt ≤ 272000 tokens

Input
$8.00
Output
$40.00
Cached input
$0.80
USD / 1M tokens

Max prompt 922000 tokens · Cache write $10/M tokens · Web search $0.01/search

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::openai/fast

OpenAI

via OpenRouter

openai/fast · tier=priority · prompt over 272000 tokens · rate option 1

Conditional rate
Input
$16.00
Output
$60.00
Cached input
$1.60
USD / 1M tokens

Max prompt 922000 tokens · Cache write $20/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.6-sol-pro::openai/fast

Model specifications

Developer
openai
Modality
Language
Context
1,050,000 tokens
Maximum output
128,000 tokens
Weights
Not reported
Provider listed
Jul 9, 2026
First discovered
Oct 16, 2026

Exact identities

  • openrouteropenai/gpt-5.6-sol-pro

Sources

Updated Oct 18, 2026

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$1.00in$5.00out/ 1M tokens · USDOpenAI · via OpenRouter · 2 endpointsopenai · prompt ≤ 272000 tokens