OpenAI

GPT-5.4 nano

The cheapest GPT-5.4-class model, built for simple high-volume tasks like routing, extraction, and classification where speed and cost dominate.

ActiveKnowledge cutoff August 31, 2025Available from 2 providers
Tool callingCan invoke external tools and APIs (function calling) mid-response.Structured outputCan return JSON or schema-constrained responses instead of free text.ReasoningUses extended thinking / chain-of-thought for harder multi-step problems.Effort controlLets you dial thinking depth (low / medium / high) to trade cost for quality.Fine-tuningSupports training a custom variant on your own data.

Source: OpenAI models, OpenAI pricing

Price per 1M tokens
$0.2 in / $1.25 out
Context window1,050,000
Max output128,000
Cache read$0.02 / M
Batch discount-50%
ModalitiesText, Image → Text
Priced across2 providers

Pricing

Every billing leg from the live catalog, in USD per 1M tokens.

Billing legRateBatch
Input$0.2 / M$0.1 / M
Output$1.25 / M$0.625 / M
Cache read$0.02 / M$0.01 / M

Cost calculator

Billing-grade math over the rate card above, including the thinking tokens most estimates miss.

Hidden reasoning tokens bill as output. 1.0x = thinking off. Medium-effort reasoning typically lands near 3x; heavy reasoning runs 6x to 8x. Set it to match your workload.

Estimated monthly cost
$115
at current list prices
Fresh input$40.00
Cached input$0.00
Output incl. thinking$75.00
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Compare providers

The same model, priced across every platform that serves it. Lowest combined in/out rate is flagged.

PlatformInput / MOutput / MCache read / MBatchAccess
OpenAILowest
$0.2$1.25$0.02First-party API
Cursor
$0.2$1.25$0.02Direct

Price history

Has this model gotten cheaper or more expensive?

EffectiveInput / OutputStatus
April 20, 2026 – July 10, 2026$0.2 / $1.25past
July 10, 2026$0.2 / $1.25current

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Rates are generated from SuperPenguin's live pricing catalog.