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GPT-5 Nano


GPT-5 Nano is OpenAI logoOpenAI's language model with a 400K context window and up to 128K output tokens, available from 7 providers, starting at $0.050 / 1M input and $0.400 / 1M output. The smallest and fastest GPT-5 variant, designed for speed- and cost-sensitive workloads such as summarization, classification, and image generation.
Spec
Canonical IDopenai-gpt-5-nano
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window400K tokens
Max Output128K tokens
Input ModalitiesImagePdfText
Output ModalitiesText
Reasoning Effortsdefaultminimal
Release Date · 8 months ago
Knowledge Cutoff
Intelligence Index
13.8
#205
Coding Index
14.2
#144
Math Index
27.3
#129
MMLU-Pro
0.6
#208
GPQA
0.4
#231
HLE
0.0
#259
LiveCodeBench
0.5
#98
IFBench
0.3
#195
Time to First Token
81.70s
#345
SciCode
0.3
#146
AIME 2025
0.3
#129
LCR
0.2
#149
TerminalBench Hard
0.1
#136
TAU2
0.3
#151
Output TPS

Capabilities

Input3/5
Text
Image
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities7/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling
Structured Outputs
Native JSON Schema
Web Search
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Databricks logo
Databricks
databricks-gpt-5-nano
$0.050$0.400N/A
OpenAI logo
OpenAI
gpt-5-nano
$0.050$0.400$0.0050$0.025$0.200$0.0025
OpenRouter logo
OpenRouter
openai/gpt-5-nano
$0.050$0.400$0.010
Replicate logo
Replicate
openai/gpt-5-nano
$0.050$0.400N/A
Vercel AI Gateway logo
Vercel AI Gateway
openai/gpt-5-nano
$0.050$0.400$0.0050
Azure AI Foundry logo
Azure AI Foundry
eu/gpt-5-nano-2025-08-07
$0.055$0.440$0.0050
Snowflake logo
Snowflake
openai-gpt-5-nano
$0.060$0.440N/A$0.030$0.220N/A

Regional pricing

Provider-specific pricing that varies by region.
Azure AI Foundry logo
Azure AI Foundry
15 regions
RegionStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Global
Global$0.055$0.440$0.0050
Europe
France Central (Paris)/ francecentral$0.0055
Germany West Central (Frankfurt)/ germanywestcentral$0.0055
Italy North (Milan)/ italynorth$0.0055
Poland Central (Warsaw)/ polandcentral$0.0055
Spain Central (Madrid)/ spaincentral$0.0055
Sweden Central (Gävle)/ swedencentral$0.0055
West Europe (Netherlands)/ westeurope$0.0055
US
Central US (Iowa)/ centralus$0.0055
East US (Virginia)/ eastus$0.0055
East US 2 (Virginia)/ eastus2$0.0055
North Central US (Illinois)/ northcentralus$0.0055
South Central US (Texas)/ southcentralus$0.0055
West US (California)/ westus$0.0055
West US 3 (Phoenix)/ westus3$0.0055

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-5.4 Nano1.1M$0.200$1.25Available
GPT-5 Nano400K$0.050$0.400Current
GPT-4.1 Nano1.0M$0.100$0.400Deprecating

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
GPT-5.4 MiniMini1.1M$0.750$4.50
GPT-5.41.1M$2.50$15.00
GPT-5.4 ProPro1.1M$30.00$180.00
GPT-5.4 3.51.1M
GPT-5.4 Pro 3.5Pro1.1M
GPT-5.3 Chat128K$1.75$14.00
GPT-5.3 Codex400K$1.75$14.00
GPT-5.3 Codex Spark128K
GPT-5.3 Instant128K
GPT-5.2 Codex400K$1.75$14.00

Model IDs