Lowest price
Choose GPT-Live 1
GPT-Live 1 costs $0.05 / minute, against $0.08 / minute for Grok Voice 2.0.
GPT-Live 1 vs Grok Voice 2.0: price, context and capabilities
Choose GPT-Live 1 for the lowest price; on the other points the two are level or the data is missing.
In short
- GPT-Live 1 is 38% cheaper than Grok Voice 2.0 at the headline price ($0.05 / minute vs $0.08 / minute).
- Only GPT-Live 1 offers tool calling.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Monthly cost at three volumes
| Volume | GPT-Live 1 | Grok Voice 2.0 | Difference |
|---|---|---|---|
| 600 minutes of audio | $30.00 | $48.00 | GPT-Live 1, $18.00 less |
| 6,000 minutes of audio | $300.00 | $480.00 | GPT-Live 1, $180.00 less |
| 60,000 minutes of audio | $3,000 | $4,800 | GPT-Live 1, $1,800 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| GPT-Live 1 | Grok Voice 2.0 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Category | Voice and realtime | Voice and realtime |
| Status | Generally available | Deprecated |
| Headline price | $0.05 / minute | $0.08 / minute |
| Context window | No data | No data |
| Max output | No data | No data |
| Released | Sep 10, 2026 | No data |
| Knowledge cutoff | July 2025 | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | Audio input, Tool calling | Audio input |
| API model id | gpt-live-1 | grok-voice-2.0 |
Frequently asked questions
Should I choose GPT-Live 1 or Grok Voice 2.0?
Choose GPT-Live 1 for the lowest price; on the other points the two are level or the data is missing.
Which is cheaper, GPT-Live 1 or Grok Voice 2.0?
GPT-Live 1 is 38% cheaper than Grok Voice 2.0 at the headline price ($0.05 / minute vs $0.08 / minute).
What is the difference between GPT-Live 1 and Grok Voice 2.0?
GPT-Live 1 is made by OpenAI and Grok Voice 2.0 by xAI. GPT-Live 1 is 38% cheaper than Grok Voice 2.0 at the headline price ($0.05 / minute vs $0.08 / minute). Only GPT-Live 1 offers tool calling.