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GPT-5 nano

OpenAI GPT-5

ActiveReleased 2025-08-07

ChatJSON modePrompt cachingStreamingTool callingVision

200K

Context window

No

Reasoning support

Yes

Tool calling

Pricing

Input

$0.05/M

Output

$0.2/M

Cached input

$0.005/M

Shown for OpenAI, the primary provider surface for this model. Pricing is Cloptima's known static list pricing; live/negotiated rates may differ.

Available via 2 providers

OpenAI

Gateway-routable

gpt-5-nano

200K context$0.05/$0.2 per M tokens

ChatJSON modePrompt cachingStreamingTool callingVision

Azure OpenAI

Gateway-routable

gpt-5-nano

200K context$0.05/$0.2 per M tokens

ChatJSON modePrompt cachingStreamingTool callingVision