GPT-5 Chat pricing
Source: litellm · updated 2026-10-27
Short answer: GPT-5 Chat costs $1.25 per million input tokens and $10.00 per million output tokens. That is a 3:1 blended rate of $3.44 per million tokens, ranking it #511 of 704 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $1.25 |
| Output, per 1M tokens | $10.00 |
| Output รท input multiple | 8.00× |
| 3:1 blended, per 1M tokens | $3.44 |
| Context window | 128,000 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $1.25 | $2.50 | $3.75 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $12.50 | $25.00 | $37.50 | ||||
| 100M in / 25M out | $125 | $250 | $375 |
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: Kimi K2.7 Code Highspeed at $1.90 per 1M input tokens. Next step up: GPT-4.1 at $2.00 per 1M input tokens.