GPT-6.1 Sol Pro

Name: GPT-6.1 Sol Pro model facts
Creator: OSMEXO

openai/gpt-6.1-sol-pro

OpenAI
Family · GPT-6 Sol Pro
File · Image · Text → Text
Reasoning · adjustable
Tools · JSON · Vision

Not on OSMEXO yet

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Spec & list price

Context1M

Max output128K

Input / 1M$2.00

Output / 1M$10.005× input

Usage

Tokens / day5.5B▲ 14% 7d

Usage rank#108

Requests / day45.5K

Tool calls / req0.45

Per request · 30 days

Avg input100.6K6.8× median

Avg output1.9K2.7× median

Cache hit74%about median

Reasoning share46%0.8× median

Tool-call failures0.1%0.0× median

Consumption

Peak 10.5B 22 OctLow 982.9M 29 SepRank today #108

News & trends

Trending · 14 days

Gemini 4 Argon & GPT-6.1 Sol Pro FREE! 🔥 20+ AI Models in ONE Platform313 views

News · latest from OpenAI

GPT-6.1 Terra vs. Claude Opus 5.5: Cheaper and faster in three tests at maxthenewstack.io · 2 Nov
Chinese labs now target OpenAI's GPT-6 Astra for distillationfork.zone · 1 Nov
GPT-6.1 Terrasimonwillison.net · 31 Oct
GPT-5.6 Sol can beat Factorio on peaceful moderyanmadden.net · 31 Oct

Speed

Output speed#214/33450 tok/s1.3× slower than median

Fastest provider85 tok/sbest of 5 providers

First token#3239.51 s8.8× longer than median

Technical details

Reasoning: on · medium
Tokenizer: GPT
Moderation: moderated

Reasoning effort

max
xhigh
high
medium · default
low

Request parameters 11

tools
tool_choice
response_format
structured_outputs
reasoning
reasoning_effort
include_reasoning
max_tokens
max_completion_tokens
seed

+1 more

verbosity

When to use

Best for

Hardest reasoning at maximum effort
Complex multi-file coding tasks
Deep analysis of very long documents
Expert image and file reasoning

Think twice for

High-volume simple chat (cheaper options exist)
Latency-critical interactive apps
Self-hosting (closed weights)

Same family

GPT-6 Sol Pro

GPT-6 Sol Pro
earlier · Sep 2026
GPT-6.1 Sol Pro (batch)
Sep 2026
GPT-6 Sol Pro (batch)
earlier · Sep 2026

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