gpt-5 pricing
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. gpt-5 from OpenAI costs $1.25 per 1M input tokens and $10.00 per 1M output tokens. Cached input is $0.125 per 1M. Context window 400,000 tokens.
API id gpt-5 · OpenAI · source · updated 2026-09-26 · general-purpose
$1.25
Input / 1M tokens
$10.00
Output / 1M tokens
$0.125
Cached input / 1M
400K
Context window
gpt-5 specifications
- Provider
- OpenAI
- API id
gpt-5- Model type
- general-purpose
- Context window
- 400K tokens
- Max output
- 128K tokens
- Currency
- USD
- Price source
- First-party
- Last checked
- 2026-09-26
Tags
- flagship
gpt-5 across providers
The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.
| Provider | Input /1M | Cached /1M | Output /1M | 1M in + 1M out | vs vendor |
|---|---|---|---|---|---|
| $1.25 | $0.125 | $10.00 | $11.25 | — | |
OpenRouterHost | $1.25 | $0.125 | $10.00 | $11.25 | — |
What gpt-5 costs in practice
| Workload | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.0063 |
| Document summary | 50,000 | 2,000 | $0.08 |
| 1M tokens in, 200K out | 1,000,000 | 200,000 | $3.25 |
Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.
Common questions
- How much does gpt-5 cost per 1M tokens?
- gpt-5 costs $1.25 per 1M input tokens and $10.00 per 1M output tokens on the standard tier. Cached input is $0.125 per 1M.
- What is gpt-5's context window?
- gpt-5 accepts up to 400,000 tokens in a single request, and can return up to 128,000 output tokens.
- Is there a cheaper OpenAI model than gpt-5?
- Yes. omni-moderation-latest is free per 1M input tokens versus $1.25 for gpt-5.
- Where does this gpt-5 price come from?
- Directly from OpenAI's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.