GPT-Live (ChatGPT Voice)
Free tier available
- Included in ChatGPT (no separate price)$0 extra

GPT-Live (ChatGPT Voice)
GPT-Live-1 / GPT-Live-1 mini (delegating to GPT-5.5 Instant/Thinking)
Our pickMuse Spark (Meta)
Tier-list head-to-head. Muse Spark (Meta) takes the A-tier slot — here's the breakdown.
Spec sheet
| Tier | A-tier | A-tierwin |
| Overall score | 8.6 / 10 | 8.8 / 10win |
| Powered by | GPT-Live-1 / GPT-Live-1 mini (delegating to GPT-5.5 Instant/Thinking) | — |
| Free tier | Yes | Yes |
| Starting price | $0 extra | $0 |
| Best for | Anyone who talks to ChatGPT -- commute Q&A, language practice, hands-free help, kids' stories. | Anyone who wants frontier-level AI for free. |
| Last reviewed | 2026-07-09 | 2026-04-19 |
Head-to-head
Rated 1-10 on the same rubric across all 130 tools we cover.
What you'll pay
Look past the headline number -- entry-tier limits drive most cost surprises.
Free tier available
Free tier available
Muse Spark benchmarks — GPT-Live (ChatGPT Voice) has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| MMLU | Knowledge across 57 subjects | 89% |
| GPQA Diamond | Graduate-level science questions | 86% |
| HumanEval | Python code generation | 91% |
| Humanity's Last Exam | Frontier difficulty questions | 58% |
| HealthBench Hard | 42.8% |
The decision
Use-case anchors and category strengths, side by side.
Anyone who talks to ChatGPT -- commute Q&A, language practice, hands-free help, kids' stories. It's the new default, free with every tier, and the conversational feel is the best shipping voice AI experience right now.
Visit GPT-Live (ChatGPT Voice)Anyone who wants frontier-level AI for free. If you use Meta's apps (Facebook, Instagram, WhatsApp) already, Muse Spark is the most accessible high-quality LLM with zero cost.
Visit Muse Spark (Meta)Bottom line
GPT-Live (ChatGPT Voice) (A-tier, 8.6/10) and Muse Spark (Meta) (A-tier, 8.8/10) are within margin-of-error of each other on overall score. There's no decisive winner -- the right pick comes down to how you'll actually use the tool, not which scored higher in the abstract. We rate them on the same rubric (ease of use, output quality, value, features), and on this pair the rubric is calling it a draw.
Pricing-wise, both tools have a free tier (GPT-Live (ChatGPT Voice) starts $0 extra, Muse Spark (Meta) starts $0), so you can test either without committing. Compare what each free tier actually unlocks -- usage caps, model access, and feature gates differ a lot more than the headline price suggests, especially as both vendors have tightened limits in 2026.
By use case: pick GPT-Live (ChatGPT Voice) when anyone who talks to chatgpt -- commute q&a, language practice, hands-free help, kids' stories. Pick Muse Spark (Meta) when anyone who wants frontier-level ai for free. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in Muse Spark (Meta)'s lane, the tier-list ranking and the use-case fit point the same direction; if you're in GPT-Live (ChatGPT Voice)'s lane, the score gap matters less than the fit.
Bottom line: this pair is a coin flip on raw scores. Choose by use-case fit, free-tier availability, and which one you can actually try without committing. Re-evaluate in 60-90 days -- both vendors are shipping fast in 2026.
Keep digging
Full GPT-Live (ChatGPT Voice) review
Tier A · 8.6/10
Full Muse Spark (Meta) review
Tier A · 8.8/10
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Built from our daily AI-tool sweep, last touched July 9, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.