O
OpenAI

GPT-5.6 Sol pricing & price history

visionreasoningtoolsopenai/gpt-5.6-sol

GPT-5.6 Sol by OpenAI costs $2.00 per 1M input tokens and $10.00 per 1M output tokens, with a 1.1M token context window.

$2.00Input / 1M tokens
$10.00Output / 1M tokens
1.1MContext window
47Intelligence index · coding 77.4

Price history

$0.00$5.75$11.50 2026-09-24today input /1M output /1M

No price changes since tracking began on 2026-09-24. We check hourly.

Cost calculator

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About GPT-5.6 Sol

GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...

FAQ

How much does GPT-5.6 Sol cost?

GPT-5.6 Sol by OpenAI costs $2.00 per 1M input tokens and $10.00 per 1M output tokens, with a 1.1M token context window. A typical request with 2,000 input and 500 output tokens costs about $0.009.

What is the context window of GPT-5.6 Sol?

GPT-5.6 Sol supports up to 1,050,000 tokens of context and up to 128,000 output tokens per request.

Has GPT-5.6 Sol’s price changed?

No price changes recorded since ModelBank started tracking it on 2026-09-24.

Is GPT-5.6 Sol being deprecated?

No retirement date has been announced for GPT-5.6 Sol as of 2026-09-24.

What are cheaper alternatives to GPT-5.6 Sol?

Cheaper options include GPT-6 Luna ($0.10/$0.50), DeepSeek V4.1 Flash ($0.14/$0.42), GLM 5.3 Flash ($0.15/$0.50), GPT-5.6 Luna ($0.20/$1.20).