GPT-6.1 Sol

Name: OpenAI: GPT-6.1 Sol
Price: 2 USD
Availability: InStock
Author: OpenAI

openai/gpt-6.1-sol

GPT-6.1 Sol is an upgrade to GPT-6 Sol in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra. It targets agentic coding, computer use, and document-heavy professional work with a 1.05M-token context window.

Use in agent Get API key

Input price: $2.00USD / 1M tokens
Output price: $10.00USD / 1M tokens
Context window: N/A
Max output: 128K

Try the model

Playground

Open playground

Input⌘ / Ctrl + Enter

Try a prompt

Prompt

Image URL or upload

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1.1M context128K max outputVision

Input$2.00/MOutput$10.00/MCache read$0.10/MCache write$2.50/M

OutputReady

Your response will appear here

Choose an example or write a prompt, then click Run.

Specifications

Pricing

Input: $2 / 1M tokens
Output: $10 / 1M tokens
Billing formula: usage.prompt_tokens >= 272000 ? (usage.prompt_tokens * 4 / 1000000 + usage.completion_tokens * 15 / 1000000 - usage.cached_tokens * 1.9 / 1000000 + usage.cache_creation_tokens * 0.5 / 1000000) : (usage.prompt_tokens * 2 / 1000000 + usage.completion_tokens * 10 / 1000000)

Context & modalities

Max output: 128,000 tokens
Input: Text, image
Output: Text

Capabilities

Chat: Supported
Vision: Supported
Reasoning: Supported
Structured output: Supported
Function calling: Supported
Audio input: Not supported

Access

Provider: OpenAI
Model ID: openai/gpt-6.1-sol
Execution: sync
API: Responses API
Endpoint: /v1/responses
API: Chat Completions API
Endpoint: /v1/chat/completions

Start building

Send your first request

Choose either supported API with unified authentication and usage tracking.

Production API

Responses API endpoint

https://api.sandbase.ai/v1/responses

Model ID

openai/gpt-6.1-sol

# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
  -X POST "https://api.sandbase.ai/v1/responses" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "model": "openai/gpt-6.1-sol",
  "input": "Hello",
  "max_output_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"

Choose your model

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Model	Context	Input / 1M	Output / 1M	Released
OpenAI: GPT-6.1 SolThis model `OpenAI`	—	$2.00	$10.00	Sep 29, 2026
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OpenAI: GPT-6 Sol `OpenAI`	1.1M	—	—	Sep 22, 2026