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GPT-6.1 Sol
OpenAI's reasoning model for complex coding, agentic workflows, and professional work. Text and image input, 1,050,000-token context, 922,000-token maximum input, and 128,000-token maximum output including reasoning. Medium default effort; low, high, xhigh, and max are also supported. none and minimal are not supported. All tool calls use Responses upstream. Above 272K total input, all input/cache rates double and output rates increase 1.5x.
Web Search
Code Interpreter
File Search
Specifications
| Provider | OpenAI |
| Category | Text |
| Context window | 1.1M tokens |
Pricing (Starter tier)
260.00 credits / 1M input tokens
13.00 credits / 1M cached input tokens
325.00 credits / 1M cache-write tokens
1,300.00 credits / 1M output tokens
Above 272K input: 2x input/cache rates and 1.5x output rates
Higher tiers get volume discounts. See tiers
Quick Start
curl -N https://query.genx.sh/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"gpt-6.1-sol","messages":[{"role":"user","content":"Review this function for bugs: function median(a) { a.sort(); return a[a.length / 2]; }"}],"max_tokens":8192,"reasoning_effort":"medium","stream":true}'
Parameters
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
prompt |
string | required | — | The input text prompt |
system_prompt |
string | optional | — | System instructions |
image_url |
string | optional | — | Image URL to analyze |
max_tokens |
number | optional | — | 16 to 128000 output tokens, including reasoning. max_completion_tokens and max_output_tokens are also accepted. |
reasoning_effort |
string | optional | medium |
low, medium, high, xhigh, or max. none and minimal are not supported; use low instead. |
tools |
array | optional | — | Built-in web_search, code_interpreter, file_search. Queue sessions do not support custom function tools. |
Availability
GPT-6.1 Sol is available in the GenX Pro App and via the GenX Router API.