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ModelCap

GPT-5.6 Sol Pro

No linked weights

OpenAI

GPT-5.6 Sol Pro is a language model from OpenAI. Its rank belongs to GPT-5.6 Sol, the model this route serves. It is listed at $4.00 per million input tokens and $20.00 per million output tokens across 2 providers. It reads up to 1M tokens of context, with no downloadable weights linked in the current source data.

Figures as of 6 Nov 2026, 20:32 UTC · download the public dataset · methodology

ModelCap Index
See primary model · GPT-5.6 Sol
Route-specific operations remain below
Market Gravity
44.0Increased by 0.1
Secondary market signal

Superseded by GPT-6.1 Sol Pro. It no longer holds a current-board position.

This separately configured or accelerated route is reviewed as the same underlying model identity as GPT-5.6 Sol. That canonical product owns rank and capability evidence; pricing, providers and other operational differences remain route-specific below.

Input
$4.00
per 1M tokens
Output
$20.00
per 1M tokens
Context
1M
tokens
Providers
2
5 endpoints

Providers

Uptime measured over the last 30 minutes
ProviderInputOutputContextQuantUptime
OpenAIflexCheapest$2.00$10.001M——
Azure$4.00$20.001M—100.0%
OpenAI$4.00$20.001M—100.0%
Azureeu$4.40$22.001M——
OpenAIfast$8.00$40.001M——

Other versions (2)

Deployment readiness

Metadata index
33.1
limited · 38% metadata coverage
Not capability
Artifact reproducibility
0.0
Access & legal clarity
30.3
Deployability
90.0
Evaluation provenance
0.0

Not yet published: a pinned repository revision, the architecture and model type, a parameter count, safetensors weight metadata, the base model it derives from, a declared licence, a link to the licence terms, admitted benchmark results, results across several capability areas, results from more than one source, a confident match to its benchmark entries, pinned evaluation dataset versions.

A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.

Market activity

Venue coverage
Market Gravity
44.0
OpenRouter weekly popularity
#133 of 339

Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.

Market Gravity breakdown

Usage55%
16.1

OpenRouter weekly popularity across the full model catalogue.

Liquidity25%
98.1

Independent providers versus the model's open or closed cohort, weighted by uptime.

Open reach15%
50.0

Hugging Face 30-day downloads for open models; neutral for closed models.

Freshness5%
63.2

Time since first public availability, on a six-month half-life.

Specification

Model ID
openai/gpt-5.6-sol-pro
Context window
1M tokens
Declared output cap
128K tokens

OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified. OpenRouter metadata

Inputs
File, Image, Text
Outputs
Text
Tokenizer
GPT
Cached input tokens
$0.40 / 1M
First seen on OpenRouter
9 Jul 2026
Knowledge cutoff
2026-02-16

Capabilities

  • Supported: Reasoning
  • Supported: Tool use
  • Supported: Structured output
  • Supported: Response format
  • Not supported: Moderated