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Model catalog

Choose the right GPT model for the job.

Start with the lowest-cost model for everyday tasks, then move up when the prompt needs stronger reasoning, higher quality, or broader capability support.

5.5

gpt-5.5

Frontier

Highest quality option for demanding prompts and important outputs.

Model IDgpt-5.5
Reasoning
Speed
Input
Output
Tools
FunctionsWeb searchImages
Input
$5.00$2.50
Cached input
$0.50$0.25
Output
$30.00$15.00
Context
256k
Max output
128k
Knowledge cutoff
Dec 2025
5.4

gpt-5.4

Balanced

Balanced model for higher quality answers without jumping to the top tier.

Model IDgpt-5.4
Reasoning
Speed
Input
Output
Tools
FunctionsWeb searchImages
Input
$2.50$1.25
Cached input
$0.25$0.125
Output
$15.00$7.50
Context
256k
Max output
128k
Knowledge cutoff
Aug 2025
5.4-mini

gpt-5.4-mini

Recommended

Best value for everyday chat, study tools, bots, and light production use.

Model IDgpt-5.4-mini
Reasoning
Speed
Input
Output
Tools
FunctionsWeb searchImages
Input
$0.75$0.375
Cached input
$0.075$0.0375
Output
$4.50$2.25
Context
128k
Max output
128k
Knowledge cutoff
Aug 2025
5.3-codex-spark

gpt-5.3-codex-spark

Coding

Fast coding-oriented model for automations and developer workflows.

Model IDgpt-5.3-codex-spark
Reasoning
Speed
Input
Output
Tools
FunctionsWeb search
Input
$1.75$0.875
Cached input
$0.175$0.0875
Output
$14.00$7.00
Context
128k
Max output
128k
Knowledge cutoff
Aug 2025

Quick comparison

Choose by cost, speed, and capability. All models keep the OpenAI SDK compatible request shape.

ModelInputCached inputOutputContextSpeed
gpt-5.5$2.50$0.25$15.00256kFast
gpt-5.4$1.25$0.125$7.50256kFast
gpt-5.4-mini$0.375$0.0375$2.25128kFaster
gpt-5.3-codex-spark$0.875$0.0875$7.00128kFaster
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