OpenAI frontier model for hard coding, agents, and long-context production work. Use when quality matters more than the cheapest token rate, then check cache and batch in TokenCALC before you scale.
Privacy first counting
TokenCALC counts tokens in your browser when an Exact encoding is available. Prompt text does not need to leave your device for local counting.
Pricing snapshot
USD per 1 million tokens. Verify against the provider source before you lock budget.
| Rate | USD |
|---|---|
| Input / 1M | $1.25 |
| Output / 1M | $10.00 |
| Cached input / 1M | $0.125 |
| Batch input / 1M | $0.625 |
| Batch output / 1M | $5.00 |
Model details
| Detail | Value |
|---|---|
| Provider | OpenAI |
| Context window | 400K |
| Tokenizer | Exact (o200k_base) |
| Last verified | 2026-08-02 |
| API model id | gpt-5 |