GPT 5 Codex pricing
$$$ Premium$1.25/M input · $10.00/M output. List prices from provider data; in idapt, chat is metered per token with transparent, usage-based pricing at the prices shown in the app.
Full rate table
| Rate | Price | Unit |
|---|---|---|
| Input | 1.25 | /M tokens |
| Output | 10 | /M tokens |
| Cache read | 0.125 | /M tokens |
| Web search | 0.01 | /search |
What typical work costs
| Workload | Tokens | List price |
|---|---|---|
| Quick question | 1K tokens in, 500 out | $0.0063 |
| Long-document summary | 60K tokens in, 2K out | $0.10 |
| Agent working session | 400K tokens in, 40K out across a day | $0.90 |
Price your own workload
- Per call
- $0.0063
- Per month
- $0.63
Compare up to four models at once in the cost calculator.
Frequently asked
What does GPT 5 Codex cost per 1M tokens?
GPT 5 Codex lists at $1.25 per 1M input tokens and $10.00 per 1M output tokens.
Does GPT 5 Codex discount cached input tokens?
Yes. Cached input tokens are billed at $0.13 per 1M, versus $1.25 for fresh input. Prompts that repeat a long prefix (a system prompt, attached files) benefit the most.
What does a typical chat message with GPT 5 Codex cost?
A message with about 1,000 input tokens and a 500-token reply costs roughly $0.0063 at list price. Long documents and long replies scale that linearly with token counts.
Is GPT 5 Codex cheaper than GPT 5?
GPT 5 Codex has the lower blended price at a 3:1 input:output mix. GPT 5 Codex: $1.25 in / $10.00 out per 1M. GPT 5: $1.25 in / $10.00 out per 1M.
How does idapt bill GPT 5 Codex?
Chat with GPT 5 Codex in idapt is metered per token with transparent, usage-based pricing at the prices shown in the app. Subscriptions include a weekly usage allowance before any balance is touched.
Part of the GPT 5 Codex model page · cheapest models board · price changes