GPT 5.3 Chat API Pricing 2026
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Overview
GPT 5.3 Chat was released on March 3, 2026. Pricing starts at $1.75 per million input tokens and $14.00 per million output tokens. The model supports a context window of up to 128K tokens. API access is available through OpenAI.
Pricing Comparison
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Current Pricing (per 1M tokens)
1 models
Provider | Model | Input $/M | Output $/M | Coding | MMLU | GPQA | Context | Actions |
|---|---|---|---|---|---|---|---|---|
$1.750 | $14.000 | — | — | — | 128,000 |
* Some models use tiered pricing based on prompt length. Displayed prices are for prompts ≤ 200k tokens.
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