GPT Image 2

Image generation model by OpenAI.

OpenAI high-fidelity visual generation model. Synthesizes detailed images from natural language prompts.

Models / GPT Image 2ID: openai/gpt-image-2-2026-04-21

Maker

OpenAI

Served On: OpenAI

Specifications

Context window, ranked against other image generation models

Insufficient data

No published context window for this model or its peers.

Context window

—

Max output

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Modality

image generation

Vision
Function calling
System prompt

Pricing

Rates are read live

Pricing for gpt-image-2-2026-04-21 is fetched from the live catalogue on load, so it is never served from a cache that could outlive a repricing.

Availability

Not enough data yet

We have not collected enough health probes for this model to publish an uptime or latency figure. A percentage from a handful of samples is fabricated precision, so none is shown until the sample count supports one.

How GPT Image 2 is billed

Billed at the provider's list price, with no per-token markup.

Exact list price
Tokens settle at the published rate of the model that served your call.
Cache discounts passed through
Provider prompt-caching discounts reach your balance with no added fee.
Cost on every response
Each response carries the x-nr-request-cost header, so you can reconcile spend per request.

More from OpenAI

FAQs

What is GPT Image 2?

OpenAI high-fidelity visual generation model. Synthesizes detailed images from natural language prompts.

How much does GPT Image 2 cost?

GPT Image 2 is billed at the provider's list price on nRouter with no per-token markup — tokens settle at the exact upstream rate. Input and output rates are read live, so see the pricing section above for the current figures.

Does GPT Image 2 support tool calling and structured outputs?

No. GPT Image 2 does not support tool calling, so it cannot invoke external tools or functions.

What inputs and outputs does GPT Image 2 support?

GPT Image 2 is an image model: it takes text prompts as input and generates images as output.

How do I use GPT Image 2 via nRouter?

Use any OpenAI-compatible client: point it at https://api.nrouter.ai/v1 with your nRouter API key and set the model to "openai/gpt-image-2-2026-04-21".

When was GPT Image 2 released?

GPT Image 2 was released on August 30, 2026.

Where is the GPT Image 2 documentation?

Start at nrouter.ai/docs. The quick-start guide (nrouter.ai/docs/getting-started/quick-start) covers API keys and your first request, and the API reference (nrouter.ai/docs/api-reference) lists every parameter.

What other image models does OpenAI have?

Other OpenAI image models on nRouter include GPT-OSS 120B 1 (nrouter.ai/models/gpt-oss-120b-1), GPT-6.1 Sol (nrouter.ai/models/gpt-6.1-sol), GPT-5.2 Pro (nrouter.ai/models/gpt-5.2-pro-2025-12-11), GPT Audio 1.5 (nrouter.ai/models/gpt-audio-1.5).