OpenAI: GPT Image 2.5 Sunburst

openai/gpt-image-2.5-sunburst
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GPT Image 2.5 Sunburst is an image generation and editing model from OpenAI, positioned as the precision-oriented tier of the GPT Image 2.5 series. It is suited to detailed creative...

Modalities
Text + Image → Image
Input / Output PriceSpecialized media pricingToken prices are not claimed for this media endpoint
Context400Ktokens · maximum across providers
ReleasedSep 9, 2026OpenRouter public metadata
Availability & data sources Listed in CLSSAI · 1 reference endpoints
ACCESS

Where this model works

OpenRouter testing and CLSSAI API routing are independent decisions with separate sources.

OpenRouter testTestable with your OpenRouter key
Testable

Exact capability metadata is available. CLSSAI can prepare the Image generation request without guessing the model contract.

Evidence
Exact ID openai/gpt-image-2.5-sunburst · /images
Mapped mode
Image generation
CLSSAI APICallable through CLSSAI API
Callable

The exact model ID is listed in the current CLSSAI public directory. This proves current route eligibility, not a completed inference for every mode.

Evidence
Exact ID openai/gpt-image-2.5-sunburst is directory-listed
Image test status

The request contract and frontend path are ready. A real OpenRouter output has not yet been recorded for this exact model and mode.

Request contract
Build verified
/images · Schema tests · 2026-08-05
Frontend path
Available
Image form · 2026-08-05
Real model output
Not yet verified
No keyed OpenRouter smoke record

Providers

Compare published prices and endpoint capabilities. Select a provider for context limits, caching prices and supported parameters.

SpecializedSee source----99.68%

USD per 1M tokens. Prices and metrics describe OpenRouter endpoints, not CLSSAI routing. “--” means no measurement was supplied. Uptime: last 30 minutes.

Specialized Media Pricing

This model uses media-specific billing units. Open a provider for the available pricing information.

Per-generation price unavailable

The source does not supply a verified per-generation amount. No token-equivalent price is inferred.

Performance

Latency and throughput history are not supplied by the public endpoint API. Check OpenRouter for its latest performance charts.

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Uptime

Successful requests in the last 30 minutes, as reported by OpenRouter. A snapshot does not show historical reliability.

OpenAI99.68%

Benchmarks

No scored evaluations are included in the public model metadata. View the source for benchmarks and their methodology.

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Apps

Application rankings require verified traffic data, which is not included in this source.

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Activity

Historical token and request volumes are not supplied by the public API. OpenRouter shows activity on its own network.

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Frequently asked questions

Provider availability, context limits and API capabilities.

Which providers serve OpenAI: GPT Image 2.5 Sunburst?

OpenAI are listed in the OpenRouter reference data. Check CLSSAI availability above before making a request.

What context length is available for OpenAI: GPT Image 2.5 Sunburst?

The largest available context window is 400,000 tokens.

Which API parameters does OpenAI: GPT Image 2.5 Sunburst support?

The providers list 12 distinct supported parameters. Open an endpoint row to inspect them.

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