GPT-5
legacyOpenAI · Frontier
Launched at commodity pricing ($1.25/$10) so low TechCrunch said it may spark a price war. Superseded by GPT-5.5.
- Strengths
- Frontier-class quality at near-commodity pricing.
- Best for
- Cost-sensitive general workloads that still want a capable model.
- Limitations
- Positioned below GPT-5.5 on capability.
Input / 1M
$1.25
Output / 1M
$10.00
Cached input / 1M
$0.125
Context window
1M
Where it sits
10th-cheapest frontier model
by blended $/Mtok among 24 listed frontier models
5% below the frontier median
blended $/Mtok across 24 frontier models
Output costs 8× input
$1.25 in / $10.00 out per 1M
Cached input saves 90%
$0.125 vs $1.25 per 1M fresh
Held flat since launch (Aug 2025)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 7 Aug 2025 | $1.25 | $10.00 | $0.125 | openai.com/api/pricing |