GPT-5 Nano (2025-08-07)

GPT-5 Nano is our fastest, cheapest version of GPT-5. It's great for summarization and classification tasks.

Input price
$0.045list $0.05-10%
Output price
$0.36list $0.40-10%
Context
400K
Max output
128K
Modalities
InputTextImageOutputText
139 (#72 of 89)
1320
—
Released
2025-08-08
Knowledge cutoff
—
Try in ChatCompare

Providers

This model is served by the dedicated providers below. We pick the provider for each request, so provider preferences don’t apply, including a provider named in your request. Prices in USD per 1M tokens. Need a custom setup? Contact [email protected].

Included providers1
  • SuccessTTFT
  • OpenAIUnited States——

Pricing

Prices for this model. Each request is billed at these prices, whichever provider serves it.

ItemPriceFlex
Inputper 1M tokens$0.045list $0.05-10%$0.0225list $0.025-10%
Outputper 1M tokens$0.36list $0.40-10%$0.18list $0.20-10%
Cache readper 1M tokens$0.0045list $0.005-10%$0.002252list $0.0025-10%
Batch inputper 1M tokens$0.0225list $0.025-10%—
Batch outputper 1M tokens$0.18list $0.20-10%—
Web searchper request$0.009list $0.01-10%—

Make a request

Set your provider preferences, then copy the request. It reads your API key from OHMYGPT_API_KEY.

Provider preferences don’t apply to this model. Need a custom setup? Contact [email protected].

curl https://api.ohmygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $OHMYGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-nano-2025-08-07",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Similar models

Other models with the same output types at a similar price.

  • Better value: more capable, lower price
  • Pareto frontier
  • Similar models

Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-02), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Price: our current input price per 1M tokens in USD, lowest across channels. Dated snapshots and resold copies of the same model are merged into one point; free models are not shown.

Shaded area: capability above and price below the median of all models. Pareto frontier: no other model is both cheaper and more capable.

GPT-5 Nano (2025-08-07)This model
139
Input
$0.045
Output
$0.36
GPT-5 Nano
139
Input
$0.045
Output
$0.36
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Input
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Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-10-28): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text