Atlas / OpenAI / o3

o3

Reasoning model optimized for reliability and planning.

Preview Tools

Input

$2.00

Output

$8.00

Cached input

$0.50

per 1M tokens Source ↗

Pricing history

TierUnitInputCached inputOutputEffectiveSource

Standard Per 1M tokens $2.00 $0.50 $8.00 March 1, 2026 Source

Standard Per 1M tokens $2.00 $0.50 $8.00 Feb. 22, 2026 Source

Standard Per 1M tokens $2.00 $0.50 $8.00 Feb. 15, 2026 Source

Standard Per 1M tokens $2.00 $0.50 $8.00 Feb. 8, 2026 Source

Standard Per 1M tokens $2.00 $0.50 $8.00 Feb. 1, 2026 Source

Standard Per 1M tokens $2.00 $0.50 $8.00 Jan. 25, 2026 Source

Standard Per 1M tokens $2.00 $0.50 $8.00 Jan. 11, 2026 Source

Standard Per 1M tokens $2.00 $0.50 $8.00 Jan. 10, 2026 Source