GPT-3.5 Turbo Pricing — $0.50/M input, $1.50/M output
OpenAI / April 2026
Input $0.50/M tokens
Output $1.50/M tokens
Context Window 16K tokens
Lowest-cost OpenAI chat model, legacy workloads
Typical use cases
General-purpose inference, chat, extraction, structured output
Estimated monthly cost at scale
Assumes 50/50 input/output token split at stated daily volume.
| Daily Volume | Monthly Tokens | Estimated Monthly Cost |
|---|---|---|
| 1M tokens/day | 30M tokens | $30.00 |
| 5M tokens/day | 150M tokens | $150.00 |
| 10M tokens/day | 300M tokens | $300.00 |
vs. other OpenAI models
| Model | Input ($/M) | Output ($/M) | Context |
|---|---|---|---|
| GPT-4o | $2.50 | $10.00 | 128K |
| GPT-4o mini | $0.15 | $0.60 | 128K |
| GPT-4.1 | $2.00 | $8.00 | 128K |
| GPT-4.1 Mini | $0.40 | $1.60 | 128K |
| GPT-4.1 Nano | $0.10 | $0.40 | 128K |
| o3 | $10.00 | $40.00 | 200K |
| o4-mini | $1.10 | $4.40 | 200K |
| o1 | $15.00 | $60.00 | 200K |
| o1-mini | $1.10 | $4.40 | 128K |
| GPT-4 Turbo | $10.00 | $30.00 | 128K |
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