GPT-5 Pro pricing
Source: litellm · updated 2026-10-27
Short answer: GPT-5 Pro costs $15.00 per million input tokens and $120 per million output tokens. That is a 3:1 blended rate of $41.25 per million tokens, ranking it #692 of 704 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $15.00 |
| Output, per 1M tokens | $120 |
| Output รท input multiple | 8.00× |
| 3:1 blended, per 1M tokens | $41.25 |
| Context window | 400,000 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $15.00 | $30.00 | $45.00 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $150 | $300 | $450 | ||||
| 100M in / 25M out | $1,500 | $3,000 | $4,500 |
Other gpt models
| Model | Input | Output |
|---|---|---|
| GPT-5 Nano | $0.050 | $0.400 |
| GPT-4.1 Nano | $0.100 | $0.400 |
| GPT-4 O Mini Audio Preview | $0.150 | $0.600 |
| GPT-4 O Mini Search Preview | $0.150 | $0.600 |
| GPT-4 O Mini Search Preview | $0.150 | $0.600 |
Cheaper alternatives
Next cheaper option: GPT-4 at $30.00 per 1M input tokens. Next step up: Au Anthropic Claude Mythos Preview at $27.50 per 1M input tokens.