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ModelCap

GPT-5 Image

API only

OpenAI·openai/gpt-5-image

GPT-5 Image has a published context limit of 400K tokens in the ModelCap catalogue as of 22 Sept 2026, 02:49 UTC.

GPT-5 Image has 1 published OpenRouter serving endpoint, from OpenRouter as of 22 Sept 2026, 02:49 UTC.

GPT-5 Image weight access is api only, from ModelCap classification of published repository metadata as of 22 Sept 2026, 02:49 UTC.

Snapshot facts · download the public dataset · methodology

Catalogue signals · Image board
14.1
Availability and deployment ordering · not a capability score
Market Gravity
19.6
Secondary market signal

Superseded by GPT-5.4 Image 2. It no longer holds a current-board position.

Input
no comparable token price
Output
media-unit price not published
Context
400K
tokens
Providers
1
endpoint
Gateway spend
latest · Vercel share

Providers

Uptime measured over the last 30 minutes
ProviderInputOutputContextQuantUptime
OpenAI400K

Other versions (1)

Catalogue ordering · Image board

Methodology
14.1
Published availability and deployment signals · not capability
Public rank basis
Catalogue and deployment signals
Market and catalogue signals · order this category catalogue
Usage (OpenRouter popularity)
2.5
Liquidity (providers × uptime)
37.5
Open reach (HF downloads)
Surface (context / tools / modalities)
73.3
Freshness
27.1
  • · OpenRouter popularity #278
  • · 1 live provider
  • · Catalogue: context 400000, reasoning, modalities Image/Text/File
  • · First seen 2025-10-14

This category board uses only published catalogue and deployment facts. It does not infer media-generation quality or compare incompatible media-unit prices.

This is a discovery ordering, not a capability benchmark. Category-compatible public evaluation evidence must be added before ModelCap can publish a media-quality rank.

Deployment readiness

Metadata index
28.3
limited · 38% metadata coverage
Not capability
Artifact reproducibility
0.0
Access & legal clarity
30.3
Deployability
74.0
Evaluation provenance
0.0

Missing: artifactReproducibility.revision-sha, artifactReproducibility.architecture-and-model-type, artifactReproducibility.parameter-count, artifactReproducibility.serialized-weight-format, artifactReproducibility.base-lineage, accessLegalClarity.declared-license, accessLegalClarity.resolvable-license-terms, evaluationProvenance.admitted-evaluation-observations, evaluationProvenance.capability-family-breadth, evaluationProvenance.evaluation-source-diversity, evaluationProvenance.identity-and-source-confidence, evaluationProvenance.evaluation-dataset-revisions.

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

Market activity

Venue coverage
Market Gravity
19.6
OpenRouter weekly popularity
#278 of 322

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%
2.5

OpenRouter weekly popularity across the full model catalogue.

Liquidity25%
37.5

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%
27.1

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

Specification

Context window
400K tokens
Max output
128K tokens
Inputs
Image, Text, File
Outputs
Image, Text
Tokenizer
GPT
First seen on OpenRouter
14 Oct 2025

Capabilities

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

GPT-5 Image: common questions

What is the context window of GPT-5 Image?

GPT-5 Image has a published context window of 400K tokens (400,000) and a maximum output of 128K tokens. Individual providers can serve less than the published maximum; the providers table lists each endpoint's own limit.

Is GPT-5 Image open-weight?

API only. No downloadable model weights are linked in the current source data; access is through a hosted API or product.

When was GPT-5 Image released?

GPT-5 Image first appeared in the catalogue on 14 Oct 2025. It has since been superseded by GPT-5.4 Image 2. Rank and price movements since then are recorded on the site's changes feed.