GPT-Live-1
OpenAI · Lançado 07/2026
GPT-Live-1 is OpenAI's full-duplex voice model: it listens and speaks at the same time and hands reasoning and tool use to a backend model. Since 10 September 2026 it is generally available in the API on the Live endpoint at $0.05 per minute, with backend model and tool usage billed separately. Conditional because its benchmarks are OpenAI's own, language quality is uneven, and real cost per call depends on the backend model you pair it with.
É adequada para ti?
Bom para
- Natural, interruptible voice conversations: full-duplex architecture eliminates turn-based rigidity
- Complex Q&A during voice: delegates reasoning and search to a backend model without dropping conversation flow
- Production voice agents via the API: generally available since 10 September 2026 on the Live endpoint (v1/live/sessions) at $0.05 per minute, billed per second, with streaming and function calling
- Hands-free long-form interaction: designed for 30+ minute conversations, commute use, language practice
- Real-time voice translation: English to Hindi, Spanish, and other languages with low latency
Não recomendado para
- Budgeting on the per-minute rate alone: OpenAI bills backend model and tool usage separately from the $0.05/min voice session, so real cost per call depends on the model doing the reasoning
- Stacks built on Chat Completions, Responses or the Realtime API: gpt-live-1 runs only on the Live endpoint, and structured outputs and fine-tuning are not supported, so it is not a drop-in model swap
- Languages beyond the most popular: non-native accents and fluency gaps reported (e.g., Hindi)
Desempenho por tarefa
Conversa por voz
Fortemente preferido em relação ao Advanced Voice Mode nas avaliações humanas; o full-duplex é um salto real
Tradução em tempo real
Funcional com baixa latência, mas a qualidade do sotaque varia significativamente por idioma
Raciocínio científico (voz)
Supera substancialmente o Advanced Voice Mode no GPQA via delegação ao GPT-5.5
Pesquisa web (voz)
Fortes ganhos sobre o Advanced Voice Mode no benchmark de pesquisa agêntica BrowseComp
Geração de código
Não foi concebido para codificação — modelo nativo de voz; delega ao GPT-5.5 para trabalho complexo
Preços
Entrada
$0.05 / minute (voice session)
Saída
Included in per-minute session rate
Contexto
Live API; backend model + tools billed separately
Testes de desempenho
Histórico de veredictos
Fontes
- BigGo Finance — GPT-Live-1 detailed feature breakdown07/2026
- OpenAI Docs: API changelog (Decisions API beta, October 6, 2026)10/2026
- OpenAI API docs: GPT-Live 1 model page09/2026
- OpenAI — Introducing GPT-Live07/2026
- OpenAI GPT-Live system card07/2026
- OpenAI API pricing10/2026
- Let's Data Science — OpenAI Upgrades ChatGPT Voice07/2026
- TechCrunch — OpenAI releases new voice models for more natural live conversations07/2026
- SQ Magazine — OpenAI Launches GPT-Live Full-Duplex Voice Models07/2026
Registo de verificação
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Pricing unchanged: model page 'Voice sessions cost $0.05 per minute, billed per second', backend model and tools billed separately, Live endpoint only; pricing page row gpt-live-1 $0.05/min. Scalars match. verdict_summary said 'product-integrated model with no API' against API GA of Sep 10 (changelog). Staged payload B never landed: announcing post gpt-live-1-api-launch-voice-layer-pricing is already published without it. Corrected via standalone verdict_set 53b52a60-d1e4-4b77-9d33-2af3f5dadbb4 linked to that post. rating_before=conditional, rating_after=conditional. No model_update, no new draft (fact already announced).
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gpt-live-1 '$0.05 per minute'. Matches stored scalars. No update. verdict_summary still says 'no API', which contradicts its own strengths (Live API GA 10 Sep). The fix is payload B on draft gpt-live-1-api-launch-voice-layer-pricing and has not landed (verdict_history latest 2026-07-15). Not re-staged and no verdict_set, so the one change does not get two paths.
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Pricing row gpt-live-1 'Price per minute: $0.05'. Matches stored scalars. No update. Payload B (same-rating, API availability) on draft gpt-live-1-api-launch-voice-layer-pricing still NOT landed: summary still says 'no API', verdict_history latest 2026-07-15. Not re-staged.
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Model page verbatim: 'Voice sessions cost $0.05 per minute, billed per second. Backend model and tool usage is billed separately.' Live endpoint only (v1/live/sessions); streaming + function_calling; structured_outputs, fine_tuning, predicted_outputs unsupported; Tier 1-5 concurrent sessions 25/50/200/300/500; Free tier unsupported. Pricing page row 'Price per minute $0.05'. Matches stored scalars and children. No update. Staged same-rating payload B (summary still says 'no API') has NOT landed: verdict_history latest 2026-07-15. Not re-staged.
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MATERIAL: the entity said 'no API' and priced the model as 'ChatGPT subscription'. OpenAI API changelog, Sep 10 2026, verbatim: 'GPT-Live 1 is now generally available in the API. Build full-duplex voice conversations that can continue while a backend model or agent handles reasoning and tools.' Model page, verbatim: 'Voice sessions cost $0.05 per minute, billed per second. Backend model and tool usage is billed separately.' Endpoint: Live only (v1/live/sessions); Chat Completions, Responses, Realtime, Assistants, Batch and the rest 'Not supported'. Features: streaming, function_calling; not structured_outputs or fine_tuning. Rate limits Tier 1-5 = 25/50/200/300/500 concurrent sessions; free tier unsupported. Pricing page row 'gpt-live-1 Price per minute $0.05' corroborates. REFRESHED: pricing_input 'ChatGPT subscription' -> '$0.05 / minute (voice session)'; pricing_output -> 'Included in per-minute session rate'; pricing_context 'ChatGPT Voice only' -> 'Live API; backend model + tools billed separately'; pricing_url openai.com/chatgpt/pricing/ -> developers.openai.com/api/docs/pricing; replaced the two now-false avoid_for rows (no API / no standalone pricing, no SDK) with an API best_for row plus separate-billing and Live-endpoint-only avoid_for rows; replaced the 'API developers' not_for_whom audience with a for_whom developer audience and a free-tier API not_for_whom. The 'GPT-5.5' backend claim was genericized in strengths because the API page does not name the backend model (task_strengths/benchmarks untouched, they cite the July launch post). VERDICT: rating stays conditional (OpenAI-only benchmarks, nothing moves it), but the live summary says 'no API'. Same-rating entity_verdict STAGED for the existing curator draft 'gpt-live-1-api-launch-voice-layer-pricing'; no new draft, no verdict_set. Tool defect re-observed: sources rows for the changelog and pricing URLs resolved idempotently to old labels/access dates (2026-09-04, 2026-06-24).
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