All models

OpenAI

GPT-5 Nano fast

openai/gpt-5-nano

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...

Input / 1M

$0.050

USD per million tokens

Output / 1M

$0.40

USD per million tokens

Est. cost / token

$0.000000138

$0.14 per 1M, 3:1 mix

Context window

272K

max output 128K

Major features

VisionBatchPDFCachingReasoningJSON schemaToolsWeb search

Task suitability (heuristic 1–5, not a benchmark)

  • coding3
  • reasoning3
  • math3
  • summarization4
  • extraction4
  • classification4
  • chat3
  • creative3
  • translation4
  • vision3
  • long context3
  • agentic3

Price history

RecordedInputOutputCachedSource
2026-11-05 03:20$0.050$0.40$0.005litellm+openrouter

A row is added whenever a sync detects a price change. Vendor pricing source

Pricing (USD per 1M tokens)

Input
$0.050
Output
$0.40
Cached input
$0.005
Batch input
$0.025
Batch output
$0.20
Blended (3:1)
$0.14

Details

Company
OpenAI
Version
5
Family
GPT
Released
2025-08-07
Parameters
Undisclosed
Max output
128K
Open weights
No
Inputs
file, image, text
Last synced
25 min ago