GPT-5.5 pricing
Source: litellm · updated 2026-10-28
Short answer: GPT-5.5 costs $5.00 per million input tokens and $30.00 per million output tokens. That is a 3:1 blended rate of $11.25 per million tokens, ranking it #673 of 713 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $5.00 |
| Output, per 1M tokens | $30.00 |
| Output รท input multiple | 6.00× |
| 3:1 blended, per 1M tokens | $11.25 |
| Context window | 272,000 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $5.00 | $7.50 | $12.50 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $50.00 | $75.00 | $125 | ||||
| 100M in / 25M out | $500 | $750 | $1,250 |
Other github_copilot models
| Model | Input | Output |
|---|---|---|
| GPT-6 Luna | $0.100 | $0.500 |
| GPT-5.6 Luna | $0.200 | $1.20 |
| Mai Code 1.1 Flash | $0.200 | $1.20 |
| GPT-5 Mini | $0.250 | $2.00 |
| GPT-5.4 Mini | $0.750 | $4.50 |
Cheaper alternatives
Next cheaper option: Au Anthropic Claude Opus 4.6 at $5.50 per 1M input tokens. Next step up: Us Gov Anthropic Claude Opus 4.8 at $6.00 per 1M input tokens.