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Models OpenAI

GPT Image 2.5

OpenAI GPT Image 2.5 image-generation model. Available over the Images protocol.

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Overview

Model ID
openai/gpt-image-2.5

Start with GPT Image 2.5

The model name is already filled in. Mint a key in the console, put it in an environment variable, and the call below runs as it stands — provided the organization’s wallet holds funds: a call with nothing to pay with answers 402.

Image generation

curl https://api.kumorouter.com/v1/images/generations \
  -H "Authorization: Bearer $KUMO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-image-2.5",
    "prompt": "A cloud over a quiet city, in ink."
  }'

Identifiers

Canonical name
openai/gpt-image-2.5
Aliases
none
Vendor code
openai
Protocols
images
Modalities
image_generation

Capabilities

Protocol and modalityStreamingToolsStructured outputStrict semanticsStructured streaming
Images image generationUnverifiedUnverifiedUnverifiedUnverifiedUnverified

A row describes one protocol-and-modality pair rather than the model as a whole: a capability is proved on a particular surface, and the answer beside it may differ.

How it compares

ModelContextMax outputInput $/MOutput $/MModalities
GPT Image 2.5————image generation
Claude Sonnet 51M128K1.2 USD6 USDtext generation
Gemini 3.6 Flash1M65.5K0.4 USD1.8 USDtext generation
Gemini 3.8 Flash1M65.5K0.4 USD2.1 USDtext generation
GLM 5.3 Flash1M131.1K0.2 USD0.6 USDtext generation
Kimi K2.81M—0.8 USD4 USDtext generation
Kimi K31M1M1.7 USD8.3 USDtext generation
Claude Opus 4.81M128K2.6 USD12.8 USDtext generation
GPT Image 2————image generation
Claude Fable 51M128K5.1 USD25.5 USDtext generation
Claude Fable 5.11M128K6 USD30 USDtext generation
Claude Haiku 4.5200K64K0.6 USD3 USDtext generation
Claude Opus 4.5200K64K2.6 USD12.8 USDtext generation
Claude Opus 4.61M128K2.6 USD12.8 USDtext generation
Claude Opus 4.71M128K2.6 USD12.8 USDtext generation
Claude Opus 5.51M128K2.2 USD11 USDtext generation
Claude Opus 51M128K2.6 USD12.8 USDtext generation
Claude Sonnet 5.51M128K1.1 USD5.5 USDtext generation
Claude Sonnet 4.5200K64K1.5 USD7.7 USDtext generation
Claude Sonnet 4.61M128K1.5 USD7.7 USDtext generation
Gemini 3 Flash Preview1M65.5K0.3 USD1.5 USDtext generation
Gemini 3.1 Flash Lite1M65.5K0.2 USD0.9 USDtext generation
Gemini 3.1 Pro Low1M65.5K1.1 USD6.6 USDtext generation
Gemini 4 Argon1M32.8K1.1 USD5.5 USDtext generation
Gemini 3.6 Flash High1M65.5K0.4 USD1.9 USDtext generation
Gemini 3.7 Flash High1M65.5K0.4 USD1.9 USDtext generation
Gemini 3.8 Flash High1M65.5K0.5 USD2.3 USDtext generation
Codex Auto Review1.1M128K3 USD18 USDtext generation
GPT-5.3 Codex Spark128K32K0.9 USD7.1 USDtext generation
GPT-5.51.1M128K2.6 USD15.3 USDtext generation
GPT-5.6 Luna1.1M128K0.1 USD0.6 USDtext generation
GPT-5.6 Sol1.1M128K2 USD10.2 USDtext generation
GPT-6.1 Sol1.1M128K1.1 USD5.5 USDtext generation
GPT-6 Astra1.1M128K6 USD30 USDtext generation
GPT-5.6 Terra1.1M128K1 USD6.1 USDtext generation
GPT-6 Sol1.1M128K1.1 USD5.5 USDtext generation
GPT-6 Luna1.1M128K0.06 USD0.3 USDtext generation
Grok 4.5500K500K1 USD3.1 USDtext generation
Grok 4.6500K500K1 USD3.1 USDtext generation
Grok 4.7500K500K1.1 USD3.3 USDtext generation
GLM-5.21M131.1K0.7 USD2.2 USDtext generation
GLM-5.31M131.1K0.8 USD2.6 USDtext generation
Claude Haiku 5.51M128K0.06 USD0.3 USDtext generation
Mistral Large 41M262.1K0.8 USD2.4 USDtext generation
Mistral Medium 3.5262.1K209.7K1.7 USD8.7 USDtext generation
Mistral Small 4262.1K209.7K0.2 USD0.8 USDtext generation
Devstral 2262.1K209.7K0.5 USD2.3 USDtext generation
DeepSeek V4.1 Flash1M393.2K0.1 USD0.5 USDtext generation
DeepSeek V4 Pro 08131M393.2K0.5 USD1.6 USDtext generation
DeepSeek V4 Flash1M943.7K0.07 USD0.1 USDtext generation
Qwen3.8 Max 09021M131.1K2.3 USD7 USDtext generation
Qwen3.8 Flash1M131.1K0.2 USD0.5 USDtext generation
Qwen3.8 27B1M235.9K0.05 USD2.7 USDtext generation
Qwen3.7 Plus1M131.1K0.4 USD1.5 USDtext generation
Qwen3 Coder Next262.1K235.9K0.1 USD0.9 USDtext generation
MiniMax M31M512K0.3 USD1.4 USDtext generation
MiniMax M2.7204.8K176.9K0.3 USD1.4 USDtext generation
Kimi K2.7 Code262.1K235.9K0.8 USD3.9 USDtext generation
Kimi K2.6262.1K235.9K0.8 USD4 USDtext generation
GLM-5.3 FlashX1M131.1K0.4 USD1.5 USDtext generation
MiMo V2.6 Pro1.1M131.1K0.5 USD1 USDtext generation
MiMo V2.6 Flash1.1M131.1K0.2 USD0.3 USDtext generation
Step 5 Preview1M64K1.2 USD3.1 USDtext generation
Step 3.7 Flash262.1K230.4K0.2 USD1.3 USDtext generation
Muse Glimmer 30B131.1K16.4K0.3 USD1.4 USDtext generation
Nemotron 3 Ultra262.1K182.5K0.7 USD2.8 USDtext generation
Nemotron 3 Super262.1K235.9K0.09 USD0.5 USDtext generation
Seed 2.1 Turbo262.1K235.9K0.6 USD2.9 USDtext generation
Seed 2.0 Code262.1K131.1K0.6 USD3.5 USDtext generation
Hy4 Preview1M64K1 USD2.9 USDtext generation
Command A+192K64K0.3 USD1.7 USDtext generation
Inkling524.3K471.9K1.2 USD4.7 USDtext generation
LongCat 2.01M262.1K0.3 USD1.4 USDtext generation
Nova 2 Lite1M65.5K0.3 USD2.9 USDtext generation
Trinity Large Thinking262.1K80K0.3 USD0.9 USDtext generation
Solar Pro 4524.3K131.1K0.1 USD0.4 USDtext generation
Aion 3.5262.1K32.8K3.5 USD7 USDtext generation
Laguna S 2.11M131.1K0.1 USD0.2 USDtext generation
Mercury 2.5260K65.5K0.05 USD0.2 USDtext generation
Llama 4 Maverick1M16.4K0.2 USD0.8 USDtext generation
Granite 4.2 8B131.1K118K0.07 USD0.3 USDtext generation
Clef65.5K—0.05 USD—decisions
Clef Flash24.6K—0.05 USD—decisions
Clef Omni65.5K—0.2 USD—decisions
D165.5K—0.02 USD—decisions
D1 Ultra32.8K—0.05 USD—decisions
Jev 1.13262.1K—0.05 USD—decisions
Jev 1.14262.1K—0.05 USD—decisions
Microsoft-Decision-132.8K—0.05 USD—decisions
Solar Decide524.3K—0.06 USD—decisions
Solar Decide Flash524.3K—0.06 USD—decisions
Span-01——0.02 USD—decisions
Span-02131.1K—0.01 USD—decisions
Decider V1.2262.1K—0.02 USD—decisions
Decider Flash V1.2262.1K—0.01 USD—decisions
Drex v1.5131.1K—0.05 USD—decisions
Drex v2.0131.1K—0.07 USD—decisions
Classify-11M—0.05 USD—decisions
Mercury Decide65.5K—0.02 USD—decisions
Tev1 4B Experimental32.8K—0.05 USD—decisions
Kev 4B8.2K—0.05 USD—decisions

Prices

DimensionRate
Images0.06 USD per image

The whole price list →

Integrations

Every link opens its own guide with this model already chosen.

ImagesThe POST /v1/images/generations call — the prompt, how many images, the size, the response shape, and why generation is counted in images rather than tokens.

Errors Rate limits Models