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Model detail

gpt-image-2.5-flare

Provided by OpenAI
Pay-as-you-go

GPT Image 2.5 Flare is an image generation and editing model from OpenAI, positioned as the speed-oriented tier of the GPT Image 2.5 series. It is suited to high-volume everyday generation, creator content, and rapid prototyping via the dedicated Images API.

Model specs

Model ID
gpt-image-2.5-flare
Context length
–
Max output
–
I/O modalities
Released
2026-09

02

API endpoints

One MixRoute gateway, OpenAI-compatible

  • OpenAI-compatible /v1/chat/completions POST

03

Pricing

Flat rate, unit: /1M Tokens

Input

$5.0000 /1M Tokens

Completion

$30.0000 /1M Tokens

Cache read

$1.2500 /1M Tokens

Image input

$8.0000 /1M Tokens

Image completion

$5.0000 /1M Tokens

05

Selection summary

Quickly judge whether it fits your workload

What is this model good for?

Speed-oriented image generation and editing

Use GPT-Image-2.5-Flare for high-volume everyday image generation, creator content, and rapid prototyping through the dedicated Images API. It is the speed-oriented tier of the OpenAI GPT Image 2.5 series.

What should you check before using it?

Confirm per-image pricing and output limits

Check the current per-image generation and editing rates, the supported input and output image formats, and the resolution limits your use case needs before moving production traffic.

Why use it through MixRoute?

Cached prefixes cut repeated-prompt cost on MixRoute

On MixRoute cached prefixes bill at 1.25 USD per 1M tokens instead of 5.00 USD standard input, and image output is billed at 5.00 USD per 1M tokens, so iterating on the same prompt costs less. Point your existing OpenAI client at https://api.mixroute.ai/v1 and set the model to gpt-image-2.5-flare.

07

Capabilities & compatibility

Unconfirmed capabilities stay "Unknown," no guesses

Available:

Streaming

gpt-image-2.5-flare supports streamed responses.

EX stream: true streams tokens incrementally, so chat UIs render as they arrive.
Available:

Prompt caching

GPT-Image-2.5 Flare supports prompt caching under supported routing conditions.

EX Keep the system prompt and tool definitions at the start of the request; repeated prefixes are automatically billed at the cache-read rate.
Available:

Vision input

GPT-Image-2.5 Flare can process image inputs alongside text.

EX Pass a base64-encoded image in a image_url content part alongside text messages.
Available:

OpenAI SDK

Call GPT-Image-2.5 Flare through MixRoute's OpenAI-compatible endpoint.

EX Change base_url to https://api.mixroute.ai/v1; everything else follows the OpenAI style.

08

Token cost estimator

Live estimate from this page's pricing, not an actual bill

Share of the same prefix read repeatedly, up to 100%

09

FAQ

Yes. gpt-image-2.5-flare exposes an image editing endpoint, so existing images can be edited rather than only generated.

One endpoint, a testable decision

Test this model and alternate routes with the same request format

Start from a real workload, then let quality, total cost, and failure conditions decide whether to send production traffic.