OpenAI

GPT-5 Pro

The maximum-effort GPT-5 tier for smarter, more precise responses on hard problems.

ActiveKnowledge cutoff September 30, 2024
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
$15 in / $120 out
Context window400,000
Max output128,000
Batch discount-50%
ModalitiesText, Image → Text

Pricing

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

Billing legRateBatch
Input$15 / M$7.5 / M
Output$120 / M$60 / 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
$10K
at current list prices
Fresh input$3.0K
Output incl. thinking$7.2K
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Provider

Where this model runs, and what it charges.

PlatformInput / MOutput / MBatchAccess
OpenAI
$15$120First-party API

Price history

Has this model gotten cheaper or more expensive?

EffectiveInput / OutputStatus
April 20, 2026 – July 10, 2026$15 / $120past
July 10, 2026$15 / $120current

More from OpenAI

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Rates are generated from SuperPenguin's live pricing catalog.