GPT Realtime 1.5 pricing
Source: litellm · updated 2026-10-27
Short answer: GPT Realtime 1.5 costs $4.00 per million input tokens and $16.00 per million output tokens. That is a 3:1 blended rate of $7.00 per million tokens, ranking it #656 of 704 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $4.00 |
| Output, per 1M tokens | $16.00 |
| Output รท input multiple | 4.00× |
| 3:1 blended, per 1M tokens | $7.00 |
| Context window | 32,000 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $4.00 | $4.00 | $8.00 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $40.00 | $40.00 | $80.00 | ||||
| 100M in / 25M out | $400 | $400 | $800 |
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: Au Anthropic Claude Sonnet 4.6 at $3.30 per 1M input tokens. Next step up: Us Gov Anthropic Claude Sonnet 4.5 at $3.60 per 1M input tokens.