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GPT-5 Image

gpt400k context128k max outputreleased Oct 14, 2025Reasoning

As of Oct 4, 2026, the cheapest GPT-5 Image API price is $10 per 1M input tokens (Kilo Gateway) and $10 per 1M output tokens (Kilo Gateway). GPT-5 Image is offered by 2 providers in the gpt family, reasoning enabled.

Cheapest input
$10
Kilo Gateway
Cheapest output
$10
Kilo Gateway
Official
—
output per 1M tokens
Providers
2
offering this model
Spread
1.0×
max / min output

API pricing by provider

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.

GPT-5 Image API prices by provider in USD per 1M tokens, updated Oct 4, 2026
Provider1M input1M output1M cache read1M cache writeContext
Kilo GatewayCheapest$10Cheapest$10$1.25—400k
OpenRouter$10$10$1.25—400k

GPT-5 Image pricing FAQ

What is the cheapest GPT-5 Image API?

As of Oct 4, 2026, Kilo Gateway has the lowest GPT-5 Image output price at $10 per 1M tokens, and Kilo Gateway has the lowest input price at $10 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

How many providers offer GPT-5 Image?

2 providers list GPT-5 Image on Sovyron; 2 of them sell it at a metered per-token price.

Is GPT-5 Image free?

No provider in the Sovyron catalog lists a free tier for GPT-5 Image.

What is the context window of GPT-5 Image?

GPT-5 Image supports a 400k-token context window and up to 128k output tokens.