GPT-5.4 API pricing

Prices last checked: 28 Oct 2026 LLMs
$ per 1M input $2.50
$ per 1M output $15.00

Standard tier, blended at 3:1 input to output: $5.63 per million tokens.

OpenAI charges $2.50 per million input tokens and $15.00 per million output tokens for GPT-5.4. It is sold in 6 forms, from $2.81 to $67.50 blended; the table below shows what each costs against standard. 6 of the models nearest it in price are cheaper on a blended basis.

$2.50
$/1M input
$15.00
$/1M output
$0.250
$/1M cached in
1,050,000
Context window
$420.00
1k req/day, monthly

Every tier of GPT-5.4

Blended at 3:1 input to output. The last column compares each against the standard tier.

GPT-5.4 tiers, snapshots and resellers, checked 28 Oct 2026
Source
Standard Standard gpt-5.4 OpenAI $2.50 $15.00 $0.250 $5.63 Standard ↗
Standard gpt-5.4 OpenRouter $2.50 $15.00 $0.250 $5.63 Same ↗
Dated snapshot gpt-5.4-2026-03-05 OpenAI $2.50 $15.00 $0.250 $5.63 Same ↗
Batch gpt-5.4:batch OpenRouter $1.25 $7.50 $0.125 $2.81 −50% ↗
Pro gpt-5.4-pro OpenRouter $30.00 $180.00 Not listed $67.50 12× ↗
Pro · Batch gpt-5.4-pro:batch OpenRouter $15.00 $90.00 Not listed $33.75 6× ↗

Prices last checked: . Methodology

Which tier to use

What each costs against standard in our data, and the job it is for.

Batch

The batch tier (gpt-5.4:batch) is 50% cheaper than standard. Batch requests are queued and answered asynchronously, typically within 24 hours, so it suits work nobody is waiting on: evaluations, back-fills, bulk classification and tagging. Anything a user is waiting on belongs on the standard tier.

Pro

gpt-5.4-pro is 12× standard. Pro tiers spend more compute on each request. At 12 times the price, route only the hard cases to it, the ones where gpt-5.4 gets the answer wrong, and keep everything else on standard. Pro is also sold as batch (gpt-5.4-pro:batch), 6× standard, for hard problems that can wait a day.

Dated snapshots

One dated snapshot (gpt-5.4-2026-03-05) is listed at the same price as standard. A snapshot pins the model to one release, while the undated name moves to newer releases when the vendor updates it. Pin a snapshot in production when your prompts depend on exact output; use the undated name to pick up improvements automatically.

Direct or through a reseller

Through OpenRouter, gpt-5.4 is the same price as buying direct. A reseller is worth it for one bill across vendors and automatic fallback; buy direct for the vendor's own batch, caching and rate-limit terms.

Against the models nearest in price

Standard tiers, blended at a 3:1 input to output ratio.

Calculator →
GPT-5.4 against comparable models, checked 28 Oct 2026
Source
GPT-5.4 This model OpenAI $2.50 $15.00 1,050,000 $5.63 ↗

Prices last checked: . Methodology

Questions

How much does GPT-5.4 cost per million tokens?

$2.50 per million input tokens and $15.00 per million output tokens, with cached input at $0.250. At a 3:1 input to output mix that blends to $5.63. Checked 28 Oct 2026.

How much cheaper is GPT-5.4 through the Batch API?

gpt-5.4:batch costs $1.25 in and $7.50 out per million tokens, 50% cheaper than standard, in exchange for asynchronous delivery.

What does GPT-5.4 Pro cost?

gpt-5.4-pro costs $30.00 in and $180.00 out per million tokens, 12× standard.

What would GPT-5.4 cost for a real workload?

A thousand requests a day at 2,000 input and 600 output tokens each comes to $420.00 a month on the standard tier, or $210.00 through batch.

What is the context window for GPT-5.4?

1,050,000 tokens of input, with up to 128,000 tokens of output.

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