GPT-5.3-Codex
The cheapest provider for GPT-5.3-Codex is Azure at $4.81 per 1M tokens (blended), charging $1.75 per 1M input and $14 per 1M output tokens. 2 providers serve it; the most expensive charges 2.0× as much. Context window: 400K tokens. Prices tracked since Oct 3, 2026.
Best price
$4.81
at Azure
Input / output
$1.75 / $14
per 1M tokens
Providers
2
2.0× spread
7 days
—
best price
30 days
—
best price
Context
400K
tokens
Providers
Active offers ranked by blended price. Bars are relative to the most expensive.
| Provider | Input | Output | Blended | vs cheapest | Context | Uptime 1d | Price since |
|---|---|---|---|---|---|---|---|
AzureCheapest | $1.75 | $14 | $4.81 | best | |||
| $1.75 | $14 | $4.81 | best | ||||
OpenAIfast | $3.50 | $28 | $9.625 | +100% |
- AzureCheapest$4.81$1.75 in · $14 outbest400K ctx100% uptime
- $4.81$1.75 in · $14 outbest400K ctx100% uptime
- fast$9.625$3.50 in · $28 out+100%400K ctx
Blended = (3 × input + output) / 4.
Price history
Hover to compare providers at any point in time. Click a legend item to hide it.
USD per 1M tokens · each step is a price change
Not enough history yet
Tracking since Oct 3, 2026. The chart fills in as new crawls arrive every 6 hours.
Other pricing
Cache, reasoning and per-call fees. Token rates per 1M; others per unit.
| Offered by | Cache read | Web search |
|---|---|---|
| Azure, OpenAI | $0.175 | $0.01 |
| OpenAI (fast) | $0.35 | $0.01 |
Change log
Every recorded change for this model since Oct 3, 2026.
No changes yet
Tracking since Oct 3, 2026. Price changes, new providers and delistings will show up here.
About this model
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
- Released
- Feb 24, 2026
- First tracked
- Oct 3, 2026
- Canonical slug
- openai/gpt-5.3-codex-20260224