Model pricing
OpenAI: GPT-5.3 Chat API Pricing
Compare 10 providers offering OpenAI: GPT-5.3 Chat. Official rate is $1.75, the cheapest quote is $1.75.
- Providers
- 10
- Official
- $1.75
- Cheapest
- $1.75
- Context
- 128K
Provider pricing
Estimate my cost
Period
based on 30 days
| Provider | Input | Output | Cached input | Context | vs official | Your cost | |
|---|---|---|---|---|---|---|---|
17.3M | $1.75 | $14.00 | $0.175 | 128K | 1.00× | $137cheapest | Use |
AzureInference platform | $1.75 | $14.00 | $0.175 | 128K | 1.00× | $137cheapest | |
OpenAIModel owner | $1.75 | $14.00 | $0.175 | 128K | 1.00× | $137cheapest | |
218K | $1.75 | $14.00 | — | 128K | 1.00× | $137cheapest | Use |
aigcbest.topReseller | $1.75 | $14.00 | — | — | 1.00× | $137cheapest | Use |
api.apiyi.comReseller | $1.75 | $14.00 | — | — | 1.00× | $137cheapest | Use |
api.gpt.geReseller | $1.75 | $14.00 | — | — | 1.00× | $137cheapest | Use |
gpt.geReseller | $1.75 | $14.00 | — | — | 1.00× | $137cheapest | Use |
yunwu.aiReseller | $1.75 | $14.00 | — | — | 1.00× | $137cheapest | Use |
| $1.75 | $14.00 | — | — | 1.00× | $137cheapest | Use |
Prices captured Jul 26, 2026
Prices change frequently and promotional rates expire — always confirm on the provider's own pricing page before committing. Rates far below official pricing often indicate shared or resold accounts.