GPT-5 Nano

openai/gpt-5-nano

Maker: OpenAI, United States
Released: 2025-08-07
Knowledge cutoff: 2024-05-30
Family: gpt-nano
Weights: closed
Tasks: text.chat, text.reasoning, code, vision.understand, vision.extract
Cheapest offering: Azure OpenAI, about $0.00017 for a typical text.chat call

Try it in the sandbox Use it from the API

Offerings

Provider	Model id at the provider	Status	Price per 1M tokens	Per-unit prices	Limits	Capabilities (level)
Azure OpenAI	`gpt-5-nano`	gadeprecated 2027-02-09	Input: $0.05 Output: $0.4 Cache read: $0.005 Since 2026-11-04 · models.dev, MIT	none	Context: 400,000 tokens Max input: 272,000 tokens Max output: 128,000 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `reasoning` claimed `parallel_tools` claimed `tool_choice` claimed `structured_output` claimed `prompt_caching` claimed
OpenAI	`gpt-5-nano`	gadeprecated 2026-12-11retires 2026-12-11	Input: $0.05 Output: $0.40 Cache read: $0.005 Input, flex tier: $0.025 Output, flex tier: $0.20 Cache read, flex tier: $0.0025 Since 2026-11-03 · Curated by Nanner Tech	none	Context: 400,000 tokens Max input: 272,000 tokens Max output: 128,000 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed `parallel_tools` claimed `tool_choice` claimed `prompt_caching` claimed `web_search` claimed
OpenRouter	`openai/gpt-5-nano`	ga	Input: $0.05 Output: $0.4 Cache read: $0.005 Since 2026-11-03 · models.dev, MIT	none	Context: 400,000 tokens Max input: 272,000 tokens Max output: 128,000 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed

Quality scores

Basis	Score (0–1)	Raw	Measured	Source
`epoch:gpqa_diamond`	0.720	0.6944	2025-10-30	Epoch AI, CC-BY-4.0, normalized by Nanner Tech
`epoch:terminal_bench`	0.257	0.2180	2025-08-07	Epoch AI, CC-BY-4.0, normalized by Nanner Tech
`epoch:frontiermath`	0.213	0.2000	2026-06-12	Epoch AI, CC-BY-4.0, normalized by Nanner Tech

Aliases

Other names the API accepts for this model.

gpt-5-nano

Use it from the API

Look this model up, or ask for the best model for its task on the providers that offer it. See the quickstart and the API reference.

Look up this model

curl 'https://rhumbdata.com/v1/models/openai/gpt-5-nano' \
  -H "Authorization: Bearer $RHUMB_KEY"

Resolve text.chat on its providers

curl 'https://rhumbdata.com/v1/resolve?task=text.chat&providers=azure-openai,openai,openrouter' \
  -H "Authorization: Bearer $RHUMB_KEY"

Built from catalog version 2026-11-04.3 of 2026-11-04. Prices are list prices per 1M tokens unless marked otherwise; every score shows its source's notice (see Attributions).