1,000 Codex credits
1,000 Codex credits are worth $40.00 (1 credit = $0.04). At OpenAI's stated 5 to 40 credits per GPT-5.6 message, that is roughly 25 to 200 messages. Verified 2026-07-21.
- Dollar value
- $40.00
- GPT-5.6 messages, roughly
- 25 - 200
What it buys, per model
Token equivalents if the whole balance went to one side of the request only (all input, or all output).
| Model | Input tokens | Output tokens |
|---|---|---|
| GPT-5.6 Sol | 8.0M | 1.3M |
| GPT-5.6 Terra | 16.0M | 2.7M |
| GPT-5.6 Luna | 40.0M | 6.7M |
| GPT-5.4 mini | 53.3M | 8.8M |