リアルタイム音声モデルの価格比較
音声のリアルタイム対話に使えるモデルの単価一覧です。通話型の用途では出力側の単価が効きます。
| モデル | 提供元 | 入力 $/MTok | 出力 $/MTok | コンテキスト |
|---|---|---|---|---|
| vertex_ai/gemini-2.5-flash-native-audio | vertex_ai | $0.5 | $2.00 | — |
| gemini-2.5-flash-native-audio-latest | gemini | $0.5 | $2.00 | 131,072 |
| gemini-2.5-flash-native-audio-preview-09-2025 | gemini | $0.5 | $2.00 | 1,048,576 |
| gemini-2.5-flash-native-audio-preview-12-2025 | gemini | $0.5 | $2.00 | 131,072 |
| gemini-live-2.5-flash-native-audio | vertex_ai-language-models | $0.5 | $2.00 | 131,072 |
| gemini-live-2.5-flash-preview-native-audio-09-2025 | gemini | $0.5 | $2.00 | 1,048,576 |
| gpt-4o-mini-realtime-preview-2024-12-17 | openai | $0.6 | $2.40 | 128,000 |
| gpt-realtime-2.1-mini | openai | $0.6 | $2.40 | 128,000 |
| gpt-realtime-mini | openai | $0.6 | $2.40 | 32,000 |
| azure/gpt-realtime-mini-2025-10-06 | azure | $0.6 | $2.40 | 32,000 |
| gpt-realtime-mini-2025-12-15 | openai | $0.6 | $2.40 | 128,000 |
| gpt-4o-mini-realtime-preview-2024-12-17 | azure | $0.66 | $2.64 | 128,000 |
| gpt-4o-mini-realtime-preview-2024-12-17 | azure | $0.66 | $2.64 | 128,000 |
| amazon.nova-2-5-sonic | bedrock | $0.33 | $2.75 | 256,000 |
| amazon.nova-2-sonic-v1:0 | bedrock | $0.33 | $2.75 | 1,000,000 |
| gemini/gemini-3.1-flash-live-preview | gemini | $0.75 | $4.50 | 131,072 |
| gemini/gemini-3.8-live | gemini | $0.75 | $4.50 | 131,072 |
| gemini/gemini-3.8-live-extended-thinking | gemini | $0.75 | $4.50 | 131,072 |
| gpt-realtime | openai | $4.00 | $16.00 | 32,000 |
| gpt-realtime-1.5 | openai | $4.00 | $16.00 | 32,000 |
| azure/gpt-realtime-1.5-2026-02-23 | azure | $4.00 | $16.00 | 32,000 |
| gpt-realtime-2025-08-28 | openai | $4.00 | $16.00 | 32,000 |
| azure/gpt-4o-realtime-preview-2024-10-01 | azure | $5.00 | $20.00 | 128,000 |
| azure/gpt-4o-realtime-preview-2024-12-17 | azure | $5.00 | $20.00 | 16,000 |
| gemini-3.5-live-translate-preview | vertex_ai | $3.50 | $21.00 | — |
| gpt-4o-realtime-preview-2024-10-01 | azure | $5.50 | $22.00 | 128,000 |
| gpt-4o-realtime-preview-2024-12-17 | azure | $5.50 | $22.00 | 16,000 |
| gpt-4o-realtime-preview-2024-10-01 | azure | $5.50 | $22.00 | 128,000 |
| gpt-4o-realtime-preview-2024-12-17 | azure | $5.50 | $22.00 | 16,000 |
| azure/gpt-realtime-2 | azure | $4.00 | $24.00 | 32,000 |