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OpenAI: GPT-5.6 Sol (batch) API Pricing

OpenAI: GPT-5.6 Sol (batch) is an API model from openai. It costs $2 per 1M input tokens and $10 per 1M output tokens, with cached input at $0.2. Its context window is 1,050,000 tokens with up to 128,000 output tokens. A workload of 10M input + 2M output tokens costs about $40 per month.
Input
$2
per 1M tokens
Output
$10
per 1M tokens
Cached input
$0.2
per 1M tokens
Context window
1.05M
1,050,000 tokens
Blended (80/20)
$3.6
per 1M tokens

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...

How much does OpenAI: GPT-5.6 Sol (batch) cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: GPT-5.6 Sol (batch) costs about $40 ($20 input + $20 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to OpenAI: GPT-5.6 Sol (batch)?

Compare OpenAI: GPT-5.6 Sol (batch) with other models

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Frequently asked questions

How much does OpenAI: GPT-5.6 Sol (batch) cost?

OpenAI: GPT-5.6 Sol (batch) costs $2 per 1M input tokens and $10 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $40.

What is the context window of OpenAI: GPT-5.6 Sol (batch)?

OpenAI: GPT-5.6 Sol (batch) has a context window of 1,050,000 tokens and can return up to 128,000 output tokens per response.

What are cheaper alternatives to OpenAI: GPT-5.6 Sol (batch)?

Cheaper models include Z.ai: GLM 5.3 Prime ($2.8 in / $8.8 out), OpenAI: GPT-5.1-Codex-Max ($1.25 in / $10 out), OpenAI: GPT-5.1 ($1.25 in / $10 out). See the full list on this page.

Is OpenAI: GPT-5.6 Sol (batch) free to use?

No. OpenAI: GPT-5.6 Sol (batch) is a paid model at $2 input / $10 output per 1M tokens. 20 free models are listed on the free models page.

Provider: openai · Model ID: openai/gpt-5.6-sol:batch · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices