Lowest price
Choose GPT-Live 1
GPT-Live 1 costs $0.05 / minute, against $0.08 / minute for Grok Voice 3.0.
GPT-Live 1 vs Grok Voice 3.0: price, context and capabilities
Choose GPT-Live 1 for the lowest price. Choose Grok Voice 3.0 for the latest release.
In short
- GPT-Live 1 is 38% cheaper than Grok Voice 3.0 at the headline price ($0.05 / minute vs $0.08 / minute).
- Grok Voice 3.0 is the newer model (October 2026, against Sep 10, 2026).
- 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.
Latest release
Choose Grok Voice 3.0
Grok Voice 3.0 is the newer release (October 2026, against Sep 10, 2026 for GPT-Live 1).
Monthly cost at three volumes
| Volume | GPT-Live 1 | Grok Voice 3.0 | 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 3.0 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Category | Voice and realtime | Voice and realtime |
| Status | Generally available | Generally available |
| Headline price | $0.05 / minute | $0.08 / minute |
| Context window | No data | No data |
| Max output | No data | No data |
| Released | Sep 10, 2026 | October 2026 |
| Knowledge cutoff | July 2025 | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | Audio input, Tool calling | Audio input |
| API model id | gpt-live-1 | grok-voice-3.0 |
Frequently asked questions
Should I choose GPT-Live 1 or Grok Voice 3.0?
Choose GPT-Live 1 for the lowest price. Choose Grok Voice 3.0 for the latest release.
Which is cheaper, GPT-Live 1 or Grok Voice 3.0?
GPT-Live 1 is 38% cheaper than Grok Voice 3.0 at the headline price ($0.05 / minute vs $0.08 / minute).
What is the difference between GPT-Live 1 and Grok Voice 3.0?
GPT-Live 1 is made by OpenAI and Grok Voice 3.0 by xAI. GPT-Live 1 is 38% cheaper than Grok Voice 3.0 at the headline price ($0.05 / minute vs $0.08 / minute). Grok Voice 3.0 is the newer model (October 2026, against Sep 10, 2026). Only GPT-Live 1 offers tool calling.
Which is newer, GPT-Live 1 or Grok Voice 3.0?
Grok Voice 3.0 was released on October 2026 and GPT-Live 1 on Sep 10, 2026.