Overview

Identity

Identity block not returned by the API for this entity.

Openness

Openness not classified yet — no sourced evidence to place this model in the ontology.

Key facts

Release date: Source:OpenRouter public model & pricing listingT2observed 12 h agomedium
Knowledge cutoff: Source:OpenAI Platform docsT1observed 12 h agohigh
Official page: developers.openai.com/api/docs/models/gpt-5.6-sol
Source:OpenAI Platform docsT1observed 12 h agohigh
API model id: Source:OpenAI Platform docsT1observed 12 h agohigh
Openrouter id: Source:OpenRouter public model & pricing listingT2observed 12 h agomedium

Architecture

Tokenizer: Source:OpenRouter public model & pricing listingT2observed 12 h agomedium

Capabilities

Modalities

Modalities: imagetext
Input: textimage
Output: text

Capabilities

Tool calling
Yes
OpenAI Platform docs · T1
Structured output
Yes
OpenAI Platform docs · T1
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Yes
OpenAI Platform docs · T1
Audio
Unavailable
Fine-tuning available
No
OpenAI Platform docs · T1

Context window: Source:OpenAI Platform docsT1observed 12 h agohigh
Max output: Source:OpenAI Platform docsT1observed 12 h agohigh
Knowledge cutoff: Source:OpenAI Platform docsT1observed 12 h agohigh
Tokenizer: Source:OpenRouter public model & pricing listingT2observed 12 h agomedium

Providers & Pricing3

All offers in the price terminal →

Current prices per 1M tokens
Provider	Input / 1M	Output / 1M	Cached in	Batch in / out	Context	Observed	Source
OpenAI APIopenai/gpt-5.6-sol:batch	$1	$5	$0.10	—	1.05M	8 h ago	openrouter.aiT2
OpenAI APIopenai/gpt-5.6-sol	$2	$10	$0.20	—	1.05M	8 h ago	openrouter.aiT2
OpenAI APIgpt-5.6-sol	$4	$20	$0.40	$2 / $10	—	12 h ago	developers.openai.comT1

USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.

Price history

Step lines per provider; amber markers are recorded changes. Click a marker or a row for the evidence behind that price.

Output price · USD / 1M tokens 1 provider

OpenAI API

OpenAI API$10 → $511 Sept 2026
OpenAI API$20 → $1011 Sept 2026
OpenAI APIfirst observed $2011 Sept 2026

Input price · USD / 1M tokens 1 provider

OpenAI API

OpenAI API$2 → $111 Sept 2026
OpenAI API$4 → $211 Sept 2026
OpenAI APIfirst observed $411 Sept 2026

Timeline4

Full timeline →

11 Sept 2026
Listed by providerModelgpt-5.6-solOpenAI
OpenAI API lists gpt-5.6-sol at $1 in / $5 out per 1M tokens
openrouter
openrouter.ai
11 Sept 2026
Listed by providerModelgpt-5.6-solOpenAI
OpenAI API lists gpt-5.6-sol at $2 in / $10 out per 1M tokens
openrouter
openrouter.ai
11 Sept 2026
New modelModelgpt-5.6-solOpenAI
New model: gpt-5.6-sol (OpenAI)
openai
developers.openai.com
11 Sept 2026
Listed by providerModelgpt-5.6-solOpenAI
OpenAI API lists gpt-5.6-sol at $4 in / $20 out per 1M tokens
openai
developers.openai.com

Change history25

Temporal, append-only claims: a new observation closes the previous claim instead of overwriting it. Rewind the record with the as-of picker.

Viewing AI Atlas as of 12 Sept 2026 — attributes exactly as the atlas knew them on that day; later corrections are not shown.

Back to today →

Attributes as of 12 Sept 2026 28 claims in force

Release date: 9 Jul 2026
Openness: proprietary
Context window: 1.05M tokens
Max output: 128K tokens
Knowledge cutoff: Feb 2026
Modalities: image, text
Input modalities: text, image
Output modalities: text
Tokenizer: GPT
API model id: gpt-5.6-sol
Official page: developers.openai.com/api/docs/models/gpt-5.6-sol
Aa context window: 1,000,000
Aa openness: proprietary
Capabilities: streaming, structured_outputs, function_calling, file_search, image_input, web_search, prompt_caching
Default snapshot: gpt-5.6-sol
File input: Yes
Fine-tuning available: No
Aa median output tokens per second: 61.7
Openrouter id: openai/gpt-5.6-sol
Openrouter listed at: 9 Jul 2026
Reasoning: No
Snapshots: gpt-5.6-sol
Structured output: Yes
Supported parameters: include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools
Tool calling: Yes
Vision: Yes
Weights available: No

25 claims · 23 properties2 conflicting

Release daterelease_date1

Claim history for Release date
Value	Valid from → to	Status	Source	Confidence	Extractor
9 Jul 2026	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Opennessopenness1

Claim history for Openness
Value	Valid from → to	Status	Source	Confidence	Extractor
proprietary	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Context windowcontext_length1

Claim history for Context window
Value	Valid from → to	Status	Source	Confidence	Extractor
1.05M tokens	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Max outputmax_output_tokens1

Claim history for Max output
Value	Valid from → to	Status	Source	Confidence	Extractor
128K tokens	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Knowledge cutoffknowledge_cutoff1

Claim history for Knowledge cutoff
Value	Valid from → to	Status	Source	Confidence	Extractor
Feb 2026	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Modalitiesmodalities1

Claim history for Modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Input modalitiesmodalities_input3conflicting claims

Claim history for Input modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text	11 Sept 2026 22:37 UTC → current	conflicting	OpenRouter public model & pricing listingT2	medium	deterministic
image, text	11 Sept 2026 21:10 UTC → current	conflicting	OpenRouter public model & pricing listingT2	medium	deterministic
text, image	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	conflicted	deterministic

Output modalitiesmodalities_output1

Claim history for Output modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
text	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Tokenizertokenizer1

Claim history for Tokenizer
Value	Valid from → to	Status	Source	Confidence	Extractor
GPT	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

API model idapi_model_id1

Claim history for API model id
Value	Valid from → to	Status	Source	Confidence	Extractor
gpt-5.6-sol	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Official pageofficial_url1

Claim history for Official page
Value	Valid from → to	Status	Source	Confidence	Extractor
https://developers.openai.com/api/docs/models/gpt-5.6-sol	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Capabilitiescapabilities1

Claim history for Capabilities
Value	Valid from → to	Status	Source	Confidence	Extractor
streaming, structured_outputs, function_calling, file_search, image_input, web_search, prompt_caching	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Default snapshotdefault_snapshot1

Claim history for Default snapshot
Value	Valid from → to	Status	Source	Confidence	Extractor
gpt-5.6-sol	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Descriptiondescription1

Claim history for Description
Value	Valid from → to	Status	Source	Confidence	Extractor
Flagship model for complex professional work	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

File inputfile_input1

Claim history for File input
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Fine-tuning availablefine_tuning_available1

Claim history for Fine-tuning available
Value	Valid from → to	Status	Source	Confidence	Extractor
No	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
Value	Valid from → to	Status	Source	Confidence	Extractor
openai/gpt-5.6-sol	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Reasoningreasoning1

Claim history for Reasoning
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Snapshotssnapshots1

Claim history for Snapshots
Value	Valid from → to	Status	Source	Confidence	Extractor
gpt-5.6-sol	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Structured outputstructured_output1

Claim history for Structured output
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Supported parameterssupported_parameters1

Claim history for Supported parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tool callingtool_calling1

Claim history for Tool calling
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Visionvision1

Claim history for Vision
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 20:52 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

Provenance

Attributed facts

23

Source tiers

T1T217 / 6

Freshest observation

12 h ago

Conflicts

4 flagged

Source documents 5

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
OpenAI Platform docs	developers.openai.com/api/docs/deprecations.md	model_docs	T1· Official	6 h ago	1
OpenAI Platform docs	developers.openai.com/api/docs/models.md	model_docs	T1· Official	6 h ago	1
OpenAI Platform docs	developers.openai.com/api/docs/pricing.md	pricing	T1· Official	6 h ago	1
OpenAI Platform docs	developers.openai.com/api/docs/models/gpt-5.6-sol.md	model_page	T1· Official	12 h ago	1
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	8 h ago	4

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.

Data quality (75/100) measures how well AI Atlas knows this entity — completeness, primary-source ratio, freshness, conflicts — never how good the model is. Methodology →