gpt-5-mini pricing
GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and… gpt-5-mini from OpenAI costs $0.250 per 1M input tokens and $2.00 per 1M output tokens. Cached input is $0.025 per 1M. Context window 400,000 tokens.
API id gpt-5-mini · OpenAI · source · updated 2026-09-25 · general-purpose
$0.250
Input / 1M tokens
$2.00
Output / 1M tokens
$0.025
Cached input / 1M
400K
Context window
gpt-5-mini specifications
- Provider
- OpenAI
- API id
gpt-5-mini- Model type
- general-purpose
- Context window
- 400K tokens
- Max output
- 128K tokens
- Currency
- USD
- Price source
- First-party
- Last checked
- 2026-09-25
Tags
- fast
gpt-5-mini 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 |
|---|---|---|---|---|---|
| $0.250 | $0.025 | $2.00 | $2.25 | — | |
OpenRouterHost | $0.250 | $0.025 | $2.00 | $2.25 | — |
What gpt-5-mini costs in practice
| Workload | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.0013 |
| Document summary | 50,000 | 2,000 | $0.02 |
| 1M tokens in, 200K out | 1,000,000 | 200,000 | $0.65 |
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-mini cost per 1M tokens?
- gpt-5-mini costs $0.250 per 1M input tokens and $2.00 per 1M output tokens on the standard tier. Cached input is $0.025 per 1M.
- What is gpt-5-mini's context window?
- gpt-5-mini 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-mini?
- Yes. omni-moderation-latest is free per 1M input tokens versus $0.250 for gpt-5-mini.
- Where does this gpt-5-mini price come from?
- Directly from OpenAI's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.