Atlas / OpenAI / GPT-5.4

GPT-5.4

Most capable OpenAI model. Excels at complex reasoning, coding, and creative tasks with broad world knowledge.

Preview Reasoning Tools Vision

Current pricing

Input

$1.75

Output

$14.00

Cached input

$0.18

per 1M tokens Source ↗

Specifications

Context window

128K tokens

Max output

16.4K tokens

Knowledge cutoff

Oct 2025

Capabilities

✓ Function calling / Tools

✓ Image understanding

✓ Extended thinking / Reasoning

✗ Audio input/output

TierUnitInputCached inputOutputEffectiveSource

Standard Per 1M tokens $1.75 $0.18 $14.00 March 12, 2026 Source

Standard Per 1M tokens $1.75 $0.18 $14.00 March 11, 2026 Source

Standard Per 1M tokens $1.75 $0.18 $14.00 March 10, 2026 Source

Standard Per 1M tokens $1.75 $0.18 $14.00 March 9, 2026 Source

Standard Per 1M tokens $1.75 $0.18 $14.00 March 8, 2026 Source

Standard Per 1M tokens $1.75 $0.18 $14.00 March 7, 2026 Source

Standard Per 1M tokens $1.75 $0.18 $14.00 March 6, 2026 Source