Lowest price
Choose GPT-Realtime-Translate
GPT-Realtime-Translate costs $0.034 / minute, against $0.08 / minute for Grok Voice 3.0.
GPT-Realtime-Translate vs Grok Voice 3.0: price, context and capabilities
Choose GPT-Realtime-Translate for the lowest price. Choose Grok Voice 3.0 for the latest release.
In short
- GPT-Realtime-Translate is 58% cheaper than Grok Voice 3.0 at the headline price ($0.034 / minute vs $0.08 / minute).
- Grok Voice 3.0 is the newer model (October 2026, against May 7, 2026).
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 May 7, 2026 for GPT-Realtime-Translate).
Monthly cost at three volumes
| Volume | GPT-Realtime-Translate | Grok Voice 3.0 | Difference |
|---|---|---|---|
| 600 minutes of audio | $20.40 | $48.00 | GPT-Realtime-Translate, $27.60 less |
| 6,000 minutes of audio | $204.00 | $480.00 | GPT-Realtime-Translate, $276.00 less |
| 60,000 minutes of audio | $2,040 | $4,800 | GPT-Realtime-Translate, $2,760 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| GPT-Realtime-Translate | Grok Voice 3.0 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Category | Voice and realtime | Voice and realtime |
| Status | Generally available | Generally available |
| Headline price | $0.034 / minute | $0.08 / minute |
| Context window | 16k | No data |
| Max output | 2k | No data |
| Released | May 7, 2026 | October 2026 |
| Knowledge cutoff | September 2024 | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | Audio input | Audio input |
| API model id | gpt-realtime-translate | grok-voice-3.0 |
Frequently asked questions
Should I choose GPT-Realtime-Translate or Grok Voice 3.0?
Choose GPT-Realtime-Translate for the lowest price. Choose Grok Voice 3.0 for the latest release.
Which is cheaper, GPT-Realtime-Translate or Grok Voice 3.0?
GPT-Realtime-Translate is 58% cheaper than Grok Voice 3.0 at the headline price ($0.034 / minute vs $0.08 / minute).
What is the difference between GPT-Realtime-Translate and Grok Voice 3.0?
GPT-Realtime-Translate is made by OpenAI and Grok Voice 3.0 by xAI. GPT-Realtime-Translate is 58% cheaper than Grok Voice 3.0 at the headline price ($0.034 / minute vs $0.08 / minute). Grok Voice 3.0 is the newer model (October 2026, against May 7, 2026).
Which is newer, GPT-Realtime-Translate or Grok Voice 3.0?
Grok Voice 3.0 was released on October 2026 and GPT-Realtime-Translate on May 7, 2026.