GPT-5.6 Sol via the Tokenator API

What the model is for

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 and long-horizon problem solving.

Specification

Full nameGPT-5.6 Sol
API IDgpt-5.6-sol
Model vendorOpenAI
TypeText model (chat / completions)
Context window1M tokens
Max output128K tokens
Image inputyes
Tokenator usage multiplier1.8×
Input modalitiestext, image, file
Aliasescursor-gpt5.6-sol
Supported API formats/v1/chat/completions /v1/responses /v1/messages
Upstream providers3
Current statusavailable
Data updated2026-08-04

Benchmarks

Intelligence index49.4
Coding index69.7
Agentic index40

Artificial Analysis data loaded into the catalog for this model.

Upstream providers

ProviderMultiplier
OpenAI Plus1.8×
OpenAI Plus #21.8×
AiPartners Ltd1.8×

A request goes to the first available provider by priority; if it fails, Tokenator switches to the next one.

Example request

curl
curl https://api.tokenator.top/v1/chat/completions \
  -H "Authorization: Bearer sk-your-tokenator-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.6-sol",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Compatible tools

The model can be used in any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code, OpenClaw.

FAQ about GPT-5.6 Sol

What is the API ID of GPT-5.6 Sol?

gpt-5.6-sol — put this into the model field of your request.

What context window does GPT-5.6 Sol have?

1M tokens; max output is 128K tokens.

How many tokens will a request cost?

(input + output) × 1.8×. See the documentation for details.

Which tools support this model?

Any tool that accepts a custom base URL: Claude Code, Codex CLI, OpenCode, Cursor, Cline, Kilo Code. Setup guides are in the integrations section.