openai

OpenAI: GPT-5 Nano (batch)

The OpenAI GPT-5 Nano (batch) is a versatile AI model capable of processing text, images, and files, with an expansive context length of 400,000 tokens. It supports both reasoning and tool integration, making it suitable for complex tasks that require analysis and interaction with external data sources. While this model excels in handling diverse input modalities and offers robust reasoning capabilities, its benchmark score of 31.6 places it below the coverage threshold, indicating limited independent validation. However, at a pricing point of $0.025 per million input tokens and $0.2 per million output tokens, it is cost-effective for projects with moderate complexity requirements.

Quality Score
100/100
price + capability + benchmarks
Input Price
$0.03
per 1M tokens
Output Price
$0.20
per 1M tokens
Context Window
400,000
tokens

Benchmark results

Independent, published benchmarks. Blended score 31.6 across 1 benchmark, last refreshed 2026-07-29. How scoring works →

BenchmarkMeasuresScore
AI Index broad capability composite 32.8
Model ID
openai/gpt-5-nano:batch
Vendor
openai
Released
August 2025
Tokenizer
GPT
Input Modalities
text, image, file
Output Modalities
text
Max Output
128,000 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
✓ supported
Vision
✓ accepts images
Audio
no
Moderated
yes

What it costs in practice

Computed from the current $0.03/M input and $0.20/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out under $0.01
Classify 1,000 customer emails 500k in / 50k out $0.02
A month of a busy support chatbot 5M in / 2M out $0.53

Category rankings

Where OpenAI: GPT-5 Nano (batch) places across the 5 categories it ranks in. How we rank →

#CategoryScore
#7 Social Media PostsWriting · of 25 ranked 120
#7 Voice Assistant BackendVoice · of 25 ranked 124
#7 Cheap Bulk InferenceCost · of 25 ranked 137
#12 Self-Hosted / LocalCost · of 25 ranked 117
#13 Real-Time ChatLatency · of 25 ranked 118

Similar models

Quick answers

How much does OpenAI: GPT-5 Nano (batch) cost?
$0.03 per million input tokens and $0.20 per million output tokens.
What is OpenAI: GPT-5 Nano (batch)'s context window?
400,000 tokens, roughly 600 pages of text in a single request.
Does OpenAI: GPT-5 Nano (batch) support tool calling?
It supports tool calling, structured output, a reasoning mode.
Can OpenAI: GPT-5 Nano (batch) process images?
Yes, it accepts image input.