GPT-5.3 Chat Latest pricing
Source: litellm · updated 2026-10-27
Short answer: GPT-5.3 Chat Latest costs $1.75 per million input tokens and $14.00 per million output tokens. That is a 3:1 blended rate of $4.81 per million tokens, ranking it #562 of 704 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $1.75 |
| Output, per 1M tokens | $14.00 |
| Output รท input multiple | 8.00× |
| 3:1 blended, per 1M tokens | $4.81 |
| Context window | 128,000 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $1.75 | $3.50 | $5.25 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $17.50 | $35.00 | $52.50 | ||||
| 100M in / 25M out | $175 | $350 | $525 |
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: Us Gov Anthropic Claude Sonnet 5 at $2.40 per 1M input tokens. Next step up: Claude Opus 5 at $2.50 per 1M input tokens.