OpenAIGPT-4.5 Preview API pricing
GPT-4.5 Preview was retired on . Its last price was $75.00 per 1M input tokens and $150.00 per 1M output tokens.
Last price
Launch price
GPT-4.5 Preview launched at this price on .
Price history
InputOutput
Every price event
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Prices added ·
Rates from February 27, 2025 Rate Per 1M tokens Standard Input $75.00 Cached input $37.50 Output $150.00 Batch Input $37.50 Output $75.00 Batch from launch (the launch post and changelog name the Batch API). The rates are derived from the pricing page's rule 'Save 50% on inputs and outputs with the Batch API', printed under the section listing GPT-4.5 (first capture listing GPT-4.5: 2025-03-03). No page lists GPT-4.5 batch prices as numbers; the model was retired before the 2025-12-11 docs Batch table. No batch cached-input price.
- Price: Archived page (openai.com, captured March 3, 2025)
quote
GPT models for everyday tasks GPT-4.5 ... Price Input: $75.00 / 1M tokens Cached input: $37.50 / 1M tokens Output: $150.00 / 1M tokens GPT-4o ... GPT-4o mini ... Save 50% on inputs and outputs with the Batch API and run tasks asynchronously over 24 hours.
- Price: Archived page (openai.com, captured February 28, 2025)
quote
We’re also previewing GPT‑4.5 in the Chat Completions API, Assistants API, and Batch API to developers on all paid usage tiers
- Date: Changelog (developers.openai.com)
quote
February, 2025 / Feb 27: Released a research preview of GPT-4.5—our largest and most capable chat model yet.
- Date: Archived page (openai.com, captured February 28, 2025)
quote
February 27, 2025 ... We’re also previewing GPT‑4.5 in the Chat Completions API, Assistants API, and Batch API to developers on all paid usage tiers
- Date: Changelog (developers.openai.com)
quote
Feb 27 / Feature · Model: GPT-4.5 · API: v1/chat/completions · API: v1/assistants · API: v1/batch / Released a research preview of GPT-4.5
- Price: Archived page (openai.com, captured March 3, 2025)
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Launch price ·
The launch post gives no prices. The price comes from the first openai.com/api/pricing/ capture after launch (2025-03-03, four days later); the 2025-02-24 capture predates the model.
- Price: Archived page (openai.com, captured March 3, 2025)
quote
GPT-4.5 | Largest GPT model designed for creative tasks and agentic planning, currently available in a research preview. | 128k context length | Price | Input: | $75.00 / 1M tokens | Cached input: | $37.50 / 1M tokens | Output: | $150.00 / 1M tokens
- Price: Documentation (developers.openai.com)
quote
Input | $75 | 1M tokens; Cached input | $37.5 | 1M tokens; Output | $150 | 1M tokens
- Date: Changelog (developers.openai.com)
quote
February, 2025 / Feb 27: Released a research preview of GPT-4.5—our largest and most capable chat model yet.
- Date: Archived page (openai.com, captured February 28, 2025)
quote
February 27, 2025 ... We’re also previewing GPT‑4.5 in the Chat Completions API, Assistants API, and Batch API to developers on all paid usage tiers
- Price: Archived page (openai.com, captured March 3, 2025)
Gaps in this history
None known.
API ids
gpt-4.5-previewgpt-4.5-preview-2025-02-27