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gpt-5.3-codex API Price
OpenAI · gpt-5.3-codex
| Billing | USD · 1M tokens |
|---|---|
| Modalities | Text |
| Deep Thinking | — |
| Verified Date | 2026-10-20 |
| Official pricing page | developers.openai.com/api/docs/pricing ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
Category: Codex
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Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
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FAQ
How much does the gpt-5.3-codex API cost?
Input $1.75/1M tokens, output $14/1M tokens
Which input modalities does gpt-5.3-codex support?
Text.
What is the approximate monthly cost of gpt-5.3-codex?
Depends on volume: light use (1M input + 300K output per day) ≈ $178.5/month; medium (5M + 1.5M) ≈ $892.5/month; heavy agents (10M + 3M) ≈ $1,785/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does gpt-5.3-codex compare with peers on value?
OpenAI gpt-5.3-codex is priced low among comparable models; compare against GPT-4o, Claude 3.5 and Gemini 2.5. See the Pricemon market table for a full comparison.
What use cases suit gpt-5.3-codex?
Good for: chat systems, customer support, content generation, coding assistance, data analysis.
Does gpt-5.3-codex have a free tier?
Check OpenAI's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.