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ModelActiveClosed / proprietaryIdentity probable

gpt-5.2-pro

OpenAIfamily · GPT 5.2developers.openai.com/api/docs/models/gpt-5.2-pr

Previous pro model for professional work that produces smarter and more precise responses.

Open in Graph
data quality68

Updated 5 h ago · first seen 11 Sept 2026

model_01M293V77HC7RHRVVRTVA528X9

Overview

Identity

Canonical model
Yesidentity confidence: mediumOne row per real model release. Artifacts (checkpoints, quantisations, conversions) and folded evaluation variants point here.
Official checkpoints
None recorded — closed weightsofficial_checkpoints = hf_repo identifiers carried by the model itself; artifacts are separate entities pointing here through canonical_id.
Artifacts
None recordedSeparate entities (checkpoint · quantization · conversion · packaging) pointing to this model through canonical_id.
Provider deployments
2
API aliases
gpt-5.2-proopenai/gpt-5.2-proIdentifiers under which providers and evaluators refer to this model.
Folded evaluation variants
0Effort / thinking variants (…-high, …-non-reasoning) are result configurations of this model, not separate models. Their old URLs redirect here.

Openness

Closed / proprietary— weights not available; 7 dimensions unknown.

Weights are not available; the model is reachable only through an API or a product.

  • Weights

    No

  • Inference code

    —

  • Training code

    —

  • Training data

    —

  • Dataset

    —

  • Commercial use

    —

  • Redistribution

    —

  • Derivatives

    —

dimensions marked null are unknown, not false

Key facts

Release date

Source:OpenRouter public model & pricing listingT2observed 15 h agomedium

Official page
developers.openai.com/api/docs/models/gpt-5.2-pro

Source:OpenAI Platform docsT1observed 15 h agohigh

API model id

Source:OpenAI Platform docsT1observed 15 h agohigh

Openrouter id

Source:OpenRouter public model & pricing listingT2observed 15 h agomedium

Architecture

Tokenizer

Source:OpenRouter public model & pricing listingT2observed 15 h agomedium

Capabilities

Modalities

Modalities
documentimagetext
Input
documentimagetext
Output
text

Capabilities

  • Tool calling

    Yes

    OpenRouter public model & pricing listing · T2

  • Structured output

    Yes

    OpenRouter public model & pricing listing · T2

  • Reasoning

    Yes

    OpenRouter public model & pricing listing · T2

  • Vision

    Yes

    OpenRouter public model & pricing listing · T2

  • Audio

    Unavailable

  • Fine-tuning available

    Unavailable

Context window

Source:OpenRouter public model & pricing listingT2observed 15 h agomedium

Max output

Source:OpenRouter public model & pricing listingT2observed 15 h agomedium

Tokenizer

Source:OpenRouter public model & pricing listingT2observed 15 h agomedium

Providers & Pricing5

All offers in the price terminal →
Provider deployments, cheapest output first
ProviderContextInput / 1MOutput / 1MBatch in / outStatusObservedSource
OpenAI APIcheapest outputopenai/gpt-5.2-pro:batch400Kout 128K—active6 h agosince 11 Sept 2026openrouter.aiT2
OpenRouteropenai/gpt-5.2-pro:batch400Kout 128K—active2 h agosince 12 Sept 2026openrouter.aiT2
OpenAI APIgpt-5.2-pro—$10.5 / $84active7 h agosince 11 Sept 2026developers.openai.comT1
OpenAI APIopenai/gpt-5.2-pro400Kout 128K—active6 h agosince 11 Sept 2026openrouter.aiT2
OpenRouteropenai/gpt-5.2-pro400Kout 128K—active2 h agosince 12 Sept 2026openrouter.aiT2

USD per 1M tokens as published by each provider; native units (per-request fees, flex/priority tiers) are kept verbatim. Rows are append-only — every price change is kept in the history below. Cost of a workload →

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 2 providers

Output price history of gpt-5.2-pro$0$50$100$150$200Sept 26Sept 26Sept 26Sept 26Sept 26OpenAI API: first observed → $168 · 11 Sept 2026OpenAI API: $168 → $84 · 11 Sept 2026OpenRouter: first observed → $168 · 12 Sept 2026OpenRouter: $168 → $84 · 12 Sept 2026
  • OpenAI API
  • OpenRouter
  • OpenRouter$168 → $8412 Sept 2026
  • OpenRouterfirst observed $16812 Sept 2026
  • OpenAI API$168 → $8411 Sept 2026
  • OpenAI APIfirst observed $16811 Sept 2026

Input price · USD / 1M tokens 2 providers

Input price history of gpt-5.2-pro$0$5$10$15$20$25Sept 26Sept 26Sept 26Sept 26Sept 26OpenAI API: first observed → $21 · 11 Sept 2026OpenAI API: $21 → $10.5 · 11 Sept 2026OpenRouter: first observed → $21 · 12 Sept 2026OpenRouter: $21 → $10.5 · 12 Sept 2026
  • OpenAI API
  • OpenRouter
  • OpenRouter$21 → $10.512 Sept 2026
  • OpenRouterfirst observed $2112 Sept 2026
  • OpenAI API$21 → $10.511 Sept 2026
  • OpenAI APIfirst observed $2111 Sept 2026

Versions & Artifacts0

Version history

Context windowfirst observation only

11 Sept 2026current

Max outputfirst observation only

11 Sept 2026current

Opennessfirst observation only

11 Sept 2026current

Each hop is a claim: click a value for its source, tier and observation time. Nothing is overwritten — a new observation closes the previous claim.

Artifacts 0

No artifact (checkpoint, quantisation, conversion or packaging) points to this model yet.

Timeline4

Full timeline →
  • Listed by providerModelgpt-5.2-proOpenAI

    OpenRouter lists gpt-5.2-pro at $10.5 in / $84 out per 1M tokens

    openrouter
    openrouter.ai
  • Listed by providerModelgpt-5.2-proOpenAI

    OpenRouter lists gpt-5.2-pro at $21 in / $168 out per 1M tokens

    openrouter
    openrouter.ai
  • Capabilities changedModelgpt-5.2-proOpenAI

    gpt-5.2-pro: modalities changed from ["image", "text"] to ["document", "image", "text"]

    Modalitiesimage, text→document, image, textopenrouter
    openrouter.ai
  • Property changedModelgpt-5.2-proOpenAI

    gpt-5.2-pro: modalities input changed from ["image", "text"] to ["document", "image", "text"]

    Input modalitiesimage, text→document, image, textopenrouter
    openrouter.ai

Change history22

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 14 Jun 2026 — attributes exactly as the atlas knew them on that day; later corrections are not shown.

Back to today →

gpt-5.2-pro was not yet in AI Atlas on 14 Jun 2026

First seen 11 Sept 2026. Nothing is inferred backwards: no attribute is shown for dates before the first observation.
22 claims · 20 properties

Release daterelease_date1

Claim history for Release date
ValueValid from → toStatusSourceConfidenceExtractor
10 Dec 2025 → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Opennessopenness1

Claim history for Openness
ValueValid from → toStatusSourceConfidenceExtractor
proprietary → currentcurrentOpenAI Platform docsT1highdeterministic

Context windowcontext_length1

Claim history for Context window
ValueValid from → toStatusSourceConfidenceExtractor
400K tokens → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Max outputmax_output_tokens1

Claim history for Max output
ValueValid from → toStatusSourceConfidenceExtractor
128K tokens → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Modalitiesmodalities2

Claim history for Modalities
ValueValid from → toStatusSourceConfidenceExtractor
document, image, text → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic
image, text → supersededOpenRouter public model & pricing listingT2mediumdeterministic

Input modalitiesmodalities_input2

Claim history for Input modalities
ValueValid from → toStatusSourceConfidenceExtractor
document, image, text → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic
image, text → supersededOpenRouter public model & pricing listingT2mediumdeterministic

Output modalitiesmodalities_output1

Claim history for Output modalities
ValueValid from → toStatusSourceConfidenceExtractor
text → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Tokenizertokenizer1

Claim history for Tokenizer
ValueValid from → toStatusSourceConfidenceExtractor
GPT → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

API model idapi_model_id1

Claim history for API model id
ValueValid from → toStatusSourceConfidenceExtractor
gpt-5.2-pro → currentcurrentOpenAI Platform docsT1highdeterministic

Official pageofficial_url1

Claim history for Official page
ValueValid from → toStatusSourceConfidenceExtractor
https://developers.openai.com/api/docs/models/gpt-5.2-pro → currentcurrentOpenAI Platform docsT1highdeterministic

Descriptiondescription1

Claim history for Description
ValueValid from → toStatusSourceConfidenceExtractor
Previous pro model for professional work that produces smarter and more precise responses. → currentcurrentOpenAI Platform docsT1highdeterministic

File inputfile_input1

Claim history for File input
ValueValid from → toStatusSourceConfidenceExtractor
Yes → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
ValueValid from → toStatusSourceConfidenceExtractor
openai/gpt-5.2-pro → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Openrouter listed atopenrouter_listed_at1

Claim history for Openrouter listed at
ValueValid from → toStatusSourceConfidenceExtractor
10 Dec 2025 → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Reasoningreasoning1

Claim history for Reasoning
ValueValid from → toStatusSourceConfidenceExtractor
Yes → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Structured outputstructured_output1

Claim history for Structured output
ValueValid from → toStatusSourceConfidenceExtractor
Yes → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Supported parameterssupported_parameters1

Claim history for Supported parameters
ValueValid from → toStatusSourceConfidenceExtractor
include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Tool callingtool_calling1

Claim history for Tool calling
ValueValid from → toStatusSourceConfidenceExtractor
Yes → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Visionvision1

Claim history for Vision
ValueValid from → toStatusSourceConfidenceExtractor
Yes → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Weights availableweights_available1

Claim history for Weights available
ValueValid from → toStatusSourceConfidenceExtractor
No → currentcurrentAI Atlas curated registry (YAML, versioned in git, every entry carries its source URL)T2highderived

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

21

Source tiers

T1T24 / 17

Freshest observation

5 h ago

Conflicts

None

Source documents 3

Source documents
SourceDocumentTypeTierLast observedSnapshots
OpenAI Platform docsdevelopers.openai.com/api/docs/pricing.md pricingT1· Official1 h ago2
OpenAI Platform docsdevelopers.openai.com/api/docs/models.md model_docsT1· Official1 h ago1
OpenRouter public model & pricing listingopenrouter.ai/api/v1/models catalogueT2· Quality secondary2 h ago11

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

Data quality (68/100) measures how well AI Atlas knows this entity — completeness, primary-source ratio, freshness, conflicts — never how good the model is. Methodology →