GPT-4.5 Preview is
OpenAI's language model with a 128K context window and up to 16K output tokens, available from 2 providers, starting at $75.00 / 1M input and $150.00 / 1M output. A deprecated research preview of GPT-4.5, offering an early look at the model's capabilities before its full release.
Capabilities
Input2/5
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Output1/5
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Capabilities5/13
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Pricing by Provider
| Provider | Standard | Batch | ||||
|---|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
Azure AI Foundry | $75.00 | $150.00 | $37.50 | $37.50 | $75.00 | N/A |
OpenAI | $75.00 | $150.00 | $37.50 | $37.50 | $75.00 | $18.75 |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.4 Mini | 1.1M | $0.750 | $4.50 | Available | |
| GPT-5.4 Nano | 1.1M | $0.200 | $1.25 | Available | |
| GPT-5.4 | 1.1M | $2.50 | $15.00 | Available | |
| GPT-5.4 Pro | 1.1M | $30.00 | $180.00 | Available | |
| GPT-5.4 3.5 | — | 1.1M | — | — | Available |
| GPT-5.4 Pro 3.5 | — | 1.1M | — | — | Available |
| GPT-5.3 Chat | 128K | $1.75 | $14.00 | Available | |
| GPT-5.3 Codex | 400K | $1.75 | $14.00 | Available | |
| GPT-5.3 Codex Spark | — | 128K | — | — | Available |
| GPT-5.3 Instant | — | 128K | — | — | Available |
| GPT-4.5 Preview | 128K | $75.00 | $150.00 | Current |