GPT-6 Sol

GPT-6 Sol is OpenAI's general-purpose GPT-6 model for complex coding and agentic workflows at a lower price than GPT-5.6 Sol.

Platform: OpenAI

Language ModelCoding AssistantAgent WorkflowsLong ContextTool UseOpenAI

OpenAI API / ChatGPT Work / Codex

$2/1M input, $0.20 cached input, $2.50 cache write, $10 output; above 272K input uses 2x input/cache and 1.5x output

Commercial

🚀Function Overview

GPT-6 Sol is the cost-efficient GPT-6 workhorse for difficult coding and agent tasks that do not require Astra's highest capability tier.

Key Features

Official API model ID gpt-6-sol
1,050,000-token context window and 128,000 maximum output tokens
Text and image input with text output
Reasoning effort from none through max, with medium as the documented default
Responses API built-in tools including web search, file search, image generation, code interpreter, shell, apply patch, skills, computer use, MCP, and tool search
$2 input, $0.20 cached input, $2.50 cache write, and $10 output per million tokens
Prompts above 272K input tokens use 2x input/cache and 1.5x output rates for the full request
Batch and Flex at 50% of Standard rates; Fast mode at 2x applicable rates

Use Cases

•Complex multi-file coding and repository agents
•Professional workflows across business applications
•Computer-use tasks with explicit verification
•Long-context analysis with measurable cache behavior
•Cost-sensitive routing below GPT-6 Astra

⚙️Input Parameters

model

string

Use gpt-6-sol.

input

object

Text or supported image input for the Responses API.

reasoning.effort

string

Choose none, low, medium, high, xhigh, or max.

tools

array

Optional built-in or custom tools supported by the active endpoint.

💡Usage Examples

Example 1

Input Parameters

{
  "model": "gpt-6-sol",
  "input": "Inspect this repository, implement the smallest safe fix, and verify the affected workflow.",
  "reasoning": {
    "effort": "high"
  }
}

Output Results

GPT-6 Sol returns a tool-using response. Validate task success, permissions, cache behavior, token use, and review burden before production routing.

Quick Actions

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Technical Specifications

Hardware Type: OpenAI API / ChatGPT Work / Codex
Commercial Use: Supported
Pricing: $2/1M input, $0.20 cached input, $2.50 cache write, $10 output; above 272K input uses 2x input/cache and 1.5x output
Platform: OpenAI