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ModelDeprecatedClosed / proprietaryIdentity probable

gpt-5-pro

OpenAIfamily · GPT 5developers.openai.com/api/docs/models/gpt-5-pro

Version of GPT-5 that produces smarter and more precise responses

Open in Graph
data quality72

Updated 5 d ago · first seen 11 Sept 2026

model_01M293V77TKK470XYF6TYDRMAE

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-proopenai/gpt-5-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 5 d agomedium

Status

Source:OpenAI Platform docsT1observed 5 d agohigh

Knowledge cutoff

Source:OpenRouter public model & pricing listingT2observed 5 d agomedium

Deprecation date

Source:OpenAI Platform docsT1observed 5 d agohigh

Retirement date

Source:OpenAI Platform docsT1observed 5 d agohigh

Official page
developers.openai.com/api/docs/models/gpt-5-pro

Source:OpenAI Platform docsT1observed 5 d agohigh

API model id

Source:OpenAI Platform docsT1observed 5 d agohigh

Openrouter id

Source:OpenRouter public model & pricing listingT2observed 5 d agomedium

Architecture

Tokenizer

Source:OpenRouter public model & pricing listingT2observed 5 d 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 5 d agomedium

Max output

Source:OpenRouter public model & pricing listingT2observed 5 d agomedium

Knowledge cutoff

Source:OpenRouter public model & pricing listingT2observed 5 d agomedium

Tokenizer

Source:OpenRouter public model & pricing listingT2observed 5 d agomedium

Providers & Pricing5

All offers in the price terminal →
Provider deployments, cheapest output first
ProviderContextInput / 1MOutput / 1MBatch in / outStatusObservedSource
OpenAI APIcheapest outputopenai/gpt-5-pro:batch400Kout 128K—active5 d agosince 11 Sept 2026openrouter.aiT2
OpenRouteropenai/gpt-5-pro:batch400Kout 128K—active3 h agosince 12 Sept 2026openrouter.aiT2
OpenAI APIgpt-5-pro—$7.5 / $60active5 d agosince 11 Sept 2026developers.openai.comT1
OpenAI APIopenai/gpt-5-pro400Kout 128K—active5 d agosince 11 Sept 2026openrouter.aiT2
OpenRouteropenai/gpt-5-pro400Kout 128K—active3 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-pro$0$50$100$150Sept 26Sept 26Sept 26Sept 26Sept 26OpenAI API: first observed → $120 · 11 Sept 2026OpenAI API: $120 → $60 · 11 Sept 2026OpenRouter: first observed → $120 · 12 Sept 2026OpenRouter: $120 → $60 · 12 Sept 2026
  • OpenAI API
  • OpenRouter
  • OpenRouter$120 → $6012 Sept 2026
  • OpenRouterfirst observed $12012 Sept 2026
  • OpenAI API$120 → $6011 Sept 2026
  • OpenAI APIfirst observed $12011 Sept 2026

Input price · USD / 1M tokens 2 providers

Input price history of gpt-5-pro$0$5$10$15$20Sept 26Sept 26Sept 26Sept 26Sept 26OpenAI API: first observed → $15 · 11 Sept 2026OpenAI API: $15 → $7.5 · 11 Sept 2026OpenRouter: first observed → $15 · 12 Sept 2026OpenRouter: $15 → $7.5 · 12 Sept 2026
  • OpenAI API
  • OpenRouter
  • OpenRouter$15 → $7.512 Sept 2026
  • OpenRouterfirst observed $1512 Sept 2026
  • OpenAI API$15 → $7.511 Sept 2026
  • OpenAI APIfirst observed $1511 Sept 2026

Versions & Artifacts0

Version history

Context windowfirst observation only

11 Sept 2026current

Knowledge cutofffirst observation only

11 Sept 2026current

Max outputfirst observation only

11 Sept 2026current

Opennessfirst observation only

11 Sept 2026current

Statusfirst 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-proOpenAI

    OpenRouter lists gpt-5-pro at $7.5 in / $60 out per 1M tokens

    openrouter
    openrouter.ai
  • Listed by providerModelgpt-5-proOpenAI

    OpenRouter lists gpt-5-pro at $15 in / $120 out per 1M tokens

    openrouter
    openrouter.ai
  • Capabilities changedModelgpt-5-proOpenAI

    gpt-5-pro: modalities changed from ["image", "text"] to ["document", "image", "text"]

    Modalitiesimage, text→document, image, textopenrouter
    openrouter.ai
  • Property changedModelgpt-5-proOpenAI

    gpt-5-pro: modalities input changed from ["image", "text"] to ["document", "image", "text"]

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

Change history

Temporal, append-only claims: a new observation closes the previous claim instead of overwriting it. Rewind the record with the as-of picker.
1 claims · 1 propertiesShow all properties

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

27

Source tiers

T1T29 / 18

Freshest observation

5 d ago

Conflicts

None

Source documents 4

Source documents
SourceDocumentTypeTierLast observedSnapshots
OpenAI Platform docsdevelopers.openai.com/api/docs/deprecations.md model_docsT1· Official2 h ago2
OpenAI Platform docsdevelopers.openai.com/api/docs/models.md model_docsT1· Official2 h ago1
OpenAI Platform docsdevelopers.openai.com/api/docs/pricing.md pricingT1· Official2 h ago2
OpenRouter public model & pricing listingopenrouter.ai/api/v1/models catalogueT2· Quality secondary3 h ago75

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

Data quality (72/100) measures how well AI Atlas knows this entity — completeness, primary-source ratio, freshness, conflicts — never how good the model is. Methodology →