GPT-5.6 pricing
Source: litellm · updated 2026-10-28
Short answer: GPT-5.6 costs $4.00 per million input tokens and $20.00 per million output tokens. That is a 3:1 blended rate of $8.00 per million tokens, ranking it #660 of 713 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $4.00 |
| Output, per 1M tokens | $20.00 |
| Output รท input multiple | 5.00× |
| 3:1 blended, per 1M tokens | $8.00 |
| Context window | 922,000 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $4.00 | $5.00 | $9.00 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $40.00 | $50.00 | $90.00 | ||||
| 100M in / 25M out | $400 | $500 | $900 |
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: Gemini 3.5 Live Translate Preview at $3.50 per 1M input tokens. Next step up: Au Anthropic Claude Opus 5.5 at $4.40 per 1M input tokens.