<svg viewBox="0 0 1540 700" xmlns="http://www.w3.org/2000/svg" font-family="-apple-system, 'Segoe UI', Helvetica, Arial, sans-serif"> <rect width="1540" height="700" fill="#ffffff"/> <text x="60" y="52" font-size="28" font-weight="700" fill="#0f172a">One conversational turn, voice-to-voice</text> <text x="60" y="82" font-size="17" fill="#475569">same six builds as the cost table · request sent to response complete · cascade bars sum per-leg medians (n=3)</text> <g> <rect x="1050" y="36" width="20" height="20" fill="#eff6ff" stroke="#2563eb" stroke-width="2"/><text x="1078" y="52" font-size="16" fill="#0f172a">STT</text> <rect x="1130" y="36" width="20" height="20" fill="#f5f3ff" stroke="#7c3aed" stroke-width="2"/><text x="1158" y="52" font-size="16" fill="#0f172a">LLM</text> <rect x="1214" y="36" width="20" height="20" fill="#fff7ed" stroke="#ea580c" stroke-width="2"/><text x="1242" y="52" font-size="16" fill="#0f172a">TTS</text> <rect x="1296" y="36" width="20" height="20" fill="#ecfdf5" stroke="#059669" stroke-width="2"/><text x="1324" y="52" font-size="16" fill="#0f172a">音声対音声</text> <text x="1476" y="76" font-size="14" fill="#64748b" text-anchor="end">緑のバーの終点は測定ターンの最遅値、内側の破線は最速値</text> </g> <line x1="400" y1="112" x2="400" y2="608" stroke="#e2e8f0" stroke-width="2"/><text x="400" y="634" font-size="15" fill="#64748b" text-anchor="middle">0</text><line x1="538" y1="112" x2="538" y2="608" stroke="#e2e8f0" stroke-width="1"/><text x="538" y="634" font-size="15" fill="#64748b" text-anchor="middle">1</text><line x1="675" y1="112" x2="675" y2="608" stroke="#e2e8f0" stroke-width="1"/><text x="675" y="634" font-size="15" fill="#64748b" text-anchor="middle">2</text><line x1="812" y1="112" x2="812" y2="608" stroke="#e2e8f0" stroke-width="1"/><text x="812" y="634" font-size="15" fill="#64748b" text-anchor="middle">3</text><line x1="950" y1="112" x2="950" y2="608" stroke="#e2e8f0" stroke-width="1"/><text x="950" y="634" font-size="15" fill="#64748b" text-anchor="middle">4</text><line x1="1088" y1="112" x2="1088" y2="608" stroke="#e2e8f0" stroke-width="1"/><text x="1088" y="634" font-size="15" fill="#64748b" text-anchor="middle">5</text><line x1="1225" y1="112" x2="1225" y2="608" stroke="#e2e8f0" stroke-width="1"/><text x="1225" y="634" font-size="15" fill="#64748b" text-anchor="middle">6</text><line x1="1362" y1="112" x2="1362" y2="608" stroke="#e2e8f0" stroke-width="1"/><text x="1362" y="634" font-size="15" fill="#64748b" text-anchor="middle">7</text><line x1="1500" y1="112" x2="1500" y2="608" stroke="#e2e8f0" stroke-width="1"/><text x="1500" y="634" font-size="15" fill="#64748b" text-anchor="middle">8</text> <text x="380" y="148" font-size="19" font-weight="600" fill="#0f172a" text-anchor="end">カスケード、低コスト</text> <text x="380" y="170" font-size="15" fill="#64748b" text-anchor="end">qwen3-asr + deepseek + google-std</text> <rect x="400" y="128" width="220" height="48" fill="#eff6ff" stroke="#2563eb" stroke-width="2"/><text x="510" y="158" font-size="17" font-weight="600" fill="#1e40af" text-anchor="middle">1.6 s</text> <rect x="620" y="128" width="358" height="48" fill="#f5f3ff" stroke="#7c3aed" stroke-width="2"/><text x="799" y="158" font-size="17" font-weight="600" fill="#5b21b6" text-anchor="middle">2.6 s</text> <rect x="978" y="128" width="96" height="48" fill="#fff7ed" stroke="#ea580c" stroke-width="2"/><text x="1026" y="158" font-size="17" font-weight="600" fill="#9a3412" text-anchor="middle">0.7 s</text> <text x="1086" y="159" font-size="20" font-weight="700" fill="#0f172a">4.9 s</text><text x="380" y="232" font-size="19" font-weight="600" fill="#0f172a" text-anchor="end">カスケード、主流</text> <text x="380" y="254" font-size="15" fill="#64748b" text-anchor="end">4o-mini-transcribe + deepseek + tts-1</text> <rect x="400" y="212" width="110" height="48" fill="#eff6ff" stroke="#2563eb" stroke-width="2"/><text x="455" y="242" font-size="17" font-weight="600" fill="#1e40af" text-anchor="middle">0.8 s</text> <rect x="510" y="212" width="358" height="48" fill="#f5f3ff" stroke="#7c3aed" stroke-width="2"/><text x="689" y="242" font-size="17" font-weight="600" fill="#5b21b6" text-anchor="middle">2.6 s</text> <rect x="868" y="212" width="302" height="48" fill="#fff7ed" stroke="#ea580c" stroke-width="2"/><text x="1019" y="242" font-size="17" font-weight="600" fill="#9a3412" text-anchor="middle">2.2 s</text> <text x="1182" y="243" font-size="20" font-weight="700" fill="#0f172a">5.6 s</text><text x="380" y="316" font-size="19" font-weight="600" fill="#0f172a" text-anchor="end">音声対音声、ミニ</text> <text x="380" y="338" font-size="15" fill="#64748b" text-anchor="end">gpt-realtime-2.1-mini、4ライブターン</text> <rect x="400" y="296" width="289" height="48" fill="#ecfdf5" stroke="#059669" stroke-width="2.5"/> <line x1="620" y1="298" x2="620" y2="342" stroke="#059669" stroke-width="2" stroke-dasharray="5 4"/> <text x="544" y="326" font-size="17" font-weight="600" fill="#065f46" text-anchor="middle">1.6–2.1 s</text><text x="380" y="400" font-size="19" font-weight="600" fill="#0f172a" text-anchor="end">カスケード、SOTA頭脳</text> <text x="380" y="422" font-size="15" fill="#64748b" text-anchor="end">4o-mini-transcribe + gpt-5.6 + tts-1</text> <rect x="400" y="380" width="110" height="48" fill="#eff6ff" stroke="#2563eb" stroke-width="2"/><text x="455" y="410" font-size="17" font-weight="600" fill="#1e40af" text-anchor="middle">0.8 s</text> <rect x="510" y="380" width="371" height="48" fill="#f5f3ff" stroke="#7c3aed" stroke-width="2"/><text x="696" y="410" font-size="17" font-weight="600" fill="#5b21b6" text-anchor="middle">2.7 s</text> <rect x="881" y="380" width="302" height="48" fill="#fff7ed" stroke="#ea580c" stroke-width="2"/><text x="1032" y="410" font-size="17" font-weight="600" fill="#9a3412" text-anchor="middle">2.2 s</text> <text x="1196" y="411" font-size="20" font-weight="700" fill="#0f172a">5.7 s</text><text x="380" y="484" font-size="19" font-weight="600" fill="#0f172a" text-anchor="end">カスケード、プレミアム</text> <text x="380" y="506" font-size="15" fill="#64748b" text-anchor="end">whisper-1 + gemini-3.7 + chirp3-hd</text> <rect x="400" y="464" width="261" height="48" fill="#eff6ff" stroke="#2563eb" stroke-width="2"/><text x="531" y="494" font-size="17" font-weight="600" fill="#1e40af" text-anchor="middle">1.9 s</text> <rect x="661" y="464" width="619" height="48" fill="#f5f3ff" stroke="#7c3aed" stroke-width="2"/><text x="971" y="494" font-size="17" font-weight="600" fill="#5b21b6" text-anchor="middle">4.5 s</text> <rect x="1280" y="464" width="179" height="48" fill="#fff7ed" stroke="#ea580c" stroke-width="2"/><text x="1369" y="494" font-size="17" font-weight="600" fill="#9a3412" text-anchor="middle">1.3 s</text> <text x="1471" y="495" font-size="20" font-weight="700" fill="#0f172a">7.7 s</text><text x="380" y="568" font-size="19" font-weight="600" fill="#0f172a" text-anchor="end">音声対音声、2.1</text> <text x="380" y="590" font-size="15" fill="#64748b" text-anchor="end">gpt-realtime-2.1、8ライブターン</text> <rect x="400" y="548" width="289" height="48" fill="#ecfdf5" stroke="#059669" stroke-width="2.5"/> <line x1="634" y1="550" x2="634" y2="594" stroke="#059669" stroke-width="2" stroke-dasharray="5 4"/> <text x="544" y="578" font-size="17" font-weight="600" fill="#065f46" text-anchor="middle">1.7–2.1 s</text> <text x="1440" y="634" font-size="15" fill="#64748b" text-anchor="end">秒</text> <text x="60" y="676" font-size="14" fill="#94a3b8">2026-08-17にSynthoraiゲートウェイ経由で測定 · VADの発話終了待機と再生を除く · ストリーミングの各レッグはLLMとTTSの区間に重複可能</text> </svg>