# GPT-Realtime mini

> GPT-Realtime mini is a proprietary language model from OpenAI, released on 6 Oct 2025. It accepts text and audio and generates text and audio, with a 32K-token context window and up to 4K output tokens per response. As of 21 Oct 2026, the lowest listed API price is $0.60 per million input tokens and $2.40 per million output tokens (Vercel AI Gateway), across 1 provider we track.

Source page: https://www.aimodel.directory/models/gpt-realtime-mini
Last verified: 21 Oct 2026

## Specifications

- **Developer:** OpenAI
- **Release date:** 6 Oct 2025 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Status:** Generally available (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Weights:** Proprietary (API only) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Context window:** 32K (32,000 tokens) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Max output:** 4K tokens (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Knowledge cutoff:** 1 Oct 2023 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Input:** Text and audio (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Output:** Text and audio (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Reasoning mode:** No (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)
- **Tool calling:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/vercel/models/openai/gpt-realtime-mini.toml)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| Vercel AI Gateway | $0.60 | $2.40 | $0.06 | 32K |

## FAQ

### What is the context window of GPT-Realtime mini?

GPT-Realtime mini has a context window of 32,000 tokens (32K) and can generate up to 4,096 tokens in a single response, according to models.dev.

### How much does the GPT-Realtime mini API cost?

GPT-Realtime mini is listed from $0.60 per million input tokens and $2.40 per million output tokens (Vercel AI Gateway). Prices last verified 21 Oct 2026.

### Is GPT-Realtime mini open source?

No. GPT-Realtime mini is a proprietary model; OpenAI has not released its weights. It is available through APIs including Vercel AI Gateway.

### When was GPT-Realtime mini released?

OpenAI released GPT-Realtime mini on 6 Oct 2025, according to models.dev.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "GPT-Realtime mini", https://www.aimodel.directory/models/gpt-realtime-mini