GPT-4.5 is
OpenAI's language model, starting at $75.00 / 1M input and $150.00 / 1M output. OpenAI's GPT-4.5 model, a high-capability LLM positioned between GPT-4 and GPT-5 for advanced reasoning and instruction-following tasks.
Capabilities
Input1/5
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Output1/5
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Capabilities0/13
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Pricing by Provider
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
Azure AI Foundry | $75.00 | $150.00 | $37.50 |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.1 Codex Max | 400K | $1.25 | $10.00 | Available | |
| GPT-5.1 | 410K | $1.25 | $10.00 | Available | |
| GPT-5.1 Chat | 128K | $1.25 | $10.00 | Available | |
| GPT-5.1 Codex | 400K | $1.25 | $10.00 | Available | |
| GPT-5.1 Codex Mini | 400K | $0.250 | $2.00 | Available | |
| GPT-5.1 Instant | 128K | $1.25 | $10.00 | Available | |
| GPT-5 Mini Image | 400K | $2.50 | $2.00 | Available | |
| GPT-5 Image | 400K | $10.00 | $10.00 | Available | |
| GPT-5 Pro | 400K | $15.00 | $120.00 | Available | |
| GPT-5 Codex | 400K | $1.25 | $10.00 | Available | |
| GPT-4.5 | — | — | $75.00 | $150.00 | Current |