Head-to-Head Model Comparison

GPT Realtime Whisper vs Whisper Large v3 Turbo

Benchmarks, API Token Pricing, Context Window & Speed Comparison

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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
GPT Realtime Whisper vs Whisper Large v3 Turbo: Benchmarks, Pricing & Speed Comparison

OpenAIのGPT Realtime WhisperとOpenAIのWhisper Large v3 Turboは、注目度の高い主要AIモデルです。GPT Realtime Whisperは448 トークンのコンテキストウィンドウを備え、API料金は100万トークンあたり入力$0.01/出力$0.00、一方のWhisper Large v3 Turboは448 トークンのコンテキストで入力$0.00/出力$0.00です。以下でベンチマーク、速度、コストを詳しく比較します。

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OpenAI

GPT Realtime Whisper

音声・スピーチAIモデル

OpenAI の GPT Realtime Whisper は、自然な音声合成(TTS)、リアルタイム音声対話、高精度な文字起こし向けに設計されたAIモデルです。0K のコンテキストウィンドウ、毎秒 140 トークンの生成速度、知能指数 44/100(1Mトークンあたり入力$0.006・出力$0)を実現しています。

Intelligence Index44 / 100
Input Token:

$0.01 / 1M

Output Token:

$0.00 / 1M

Context Window:

448 tokens

SWE-bench Verified:

36%

OpenAI

Whisper Large v3 Turbo

音声・スピーチAIモデル

OpenAI の Whisper Large v3 Turbo は、自然な音声合成(TTS)、リアルタイム音声対話、高精度な文字起こし向けに設計されたAIモデルです。0K のコンテキストウィンドウ、毎秒 180 トークンの生成速度、知能指数 42/100(1Mトークンあたり入力$0.0006・出力$0)を実現しています。

Intelligence Index42 / 100
Input Token:

$0.00 / 1M

Output Token:

$0.00 / 1M

Context Window:

448 tokens

SWE-bench Verified:

36%

ひと目でわかる主な違い

  • Whisper Large v3 Turbo is 10.0x cheaper for API usage (input + output tokens combined).
  • Whisper Large v3 Turbo is faster at 180 tok/s vs 140 tok/s.
  • Whisper Large v3 Turbo leads on SWE-bench coding (36.0% vs 36.0%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureGPT Realtime WhisperWhisper Large v3 Turbo
Intelligence Index
Composite reasoning & knowledge score (0-100)
4442
Provider
OpenAIOpenAI
Input Price
Cost per million input tokens
$0.01 / 1M$0.00 / 1M
Output Price
Cost per million output tokens
$0.00 / 1M$0.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.00 / 1M$0.00 / 1M
Context Window
Maximum input + output tokens
448 tokens~1 A4 pages of text448 tokens~1 A4 pages of text
Max Output Tokens
Per single request
0K0K
Throughput Speed
Tokens generated per second
140 tok/s180 tok/s
SWE-bench Verified
Real-world software engineering
36%36%
GPQA Diamond
Graduate-level reasoning
46%46%

分野別勝者スコアカード

At-a-glance decision framework
Coding
Whisper Large v3 Turbo
+0.0% SWE-bench lead
Cost
Whisper Large v3 Turbo
10.0x cheaper monthly runtime
Speed
Whisper Large v3 Turbo
+29% faster generation
Context
Tied
448 tokens window

検証済みベンチマークスコア比較

Official evaluation metrics verified by independent third-party research labs.

GPT Realtime WhisperWhisper Large v3 Turbo
SWE-bench Verified (Autonomous Coding)

Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.

36%vs36%
GPQA Diamond (Doctorate-Level Science & Math)

Challenging questions created by domain experts to test complex PhD-level reasoning.

46%vs46%
MMLU-Pro (Multi-task Language Understanding)

Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.

66%vs66%
LMSYS Chatbot Arena Elo

Crowdsourced human preference evaluation based on blind, head-to-head model battles.

1255ptsvs1255pts
Humanity's Last Exam (Frontier Expert Knowledge)

Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.

5.5%vs5.5%
Terminal-Bench (Agentic Coding & Terminal Use)

Autonomous multi-step tasks executed inside a real command-line terminal environment.

23%vs23%
SciCode (Scientific Computing)

Research-grade coding problems drawn from real scientific and numerical workloads.

24.5%vs24.5%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

39%vs39%
AIME (Advanced Math Competition)

American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.

46%vs46%
Long-Context Reasoning

Accuracy when reasoning over very large inputs that fill the model context window.

61%vs61%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

140 tok/s vs180 tok/s

レイテンシ&応答時間

Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.

Time to First Token (TTFT)Lower is better
GPT Realtime Whisper0.15s
Whisper Large v3 Turbo0.12s
Est. End-to-End Response (500 tokens)TTFT + generation time
GPT Realtime Whisper3.72s
Whisper Large v3 Turbo2.90s

リアルタイムAPIトークン料金シミュレーター

Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.

100K / day
10K500K1M
30K / day
5K150K300K
50% cached
0% (Cold)50%90% (Warm)
GPT Realtime Whisper Monthly API Bill
$0.01 / month
$0.006/1M in · $0/1M out
Whisper Large v3 Turbo Monthly API Bill
$0.00 / month
$0.0006/1M in · $0/1M out
Whisper Large v3 Turbo saves approximately $0.01 / month (90%) under this workload.10.0x Savings

GPT Realtime Whisper · Strengths & Key Advantages

  • 0K のコンテキストウィンドウと最大 0K トークンの出力容量(SWE-bench Verified 36% · GPQA Diamond 46%)
  • 毎秒 140 トークンの高速スループットと、初回トークン到達時間(TTFT)わずか 150ms の低遅延
  • 優れたAPI経済性(1Mトークンあたり入力$0.006・出力$0)に加え、プロンプトキャッシュや構造化JSON出力・関数呼び出しに完全対応
Considerations & Trade-offs
  • クラウド専用のプロプライエタリモデルのため、モデル重みをダウンロードしてオフライン実行することはできません
  • 極めて高度な専門科学の証明問題では、上位の大型推論特化モデルの方がより深い洞察を提供する場合があります

Whisper Large v3 Turbo · Strengths & Key Advantages

  • 0K のコンテキストウィンドウと最大 0K トークンの出力容量(SWE-bench Verified 36% · GPQA Diamond 46%)
  • 毎秒 180 トークンの高速スループットと、初回トークン到達時間(TTFT)わずか 120ms の低遅延
  • オープンウェイトモデル (809M)として vLLM・SGLang・Ollama を用いた自社GPUでのローカル運用が可能
Considerations & Trade-offs
  • 非量子化のフル精度でローカル推論を行うには十分なGPU VRAM容量が必要です
  • 極めて高度な専門科学の証明問題では、上位の大型推論特化モデルの方がより深い洞察を提供する場合があります

Token Use & Task Economics

Estimated cost and token consumption to complete one representative agentic task.

MetricGPT Realtime WhisperWhisper Large v3 Turbo
Cost per Task
Estimated USD to finish one task
$0.04$0.03
Output Tokens / Task
Tokens generated per task
3K3K
Reasoning Tokens / Task
Thinking tokens burned per task
0K0K

技術仕様・スペック

Architecture, release timeline, capabilities, and modalities.

FeatureGPT Realtime WhisperWhisper Large v3 Turbo
Official API Model ID (SDK)gpt-realtime-whisperwhisper-large-v3-turbo
API ProtocolOpenAI Responses API & Chat Completions v1OpenAI Responses API & Chat Completions v1
Release Date2026-052024-10
Knowledge CutoffFebruary 20262024 (audio corpus)
ArchitectureStreaming speech-to-text transformerDistilled encoder-decoder speech transformer
ParametersConfidential809M
Enterprise Rate Limits (RPM / TPM)10,000 – 30,000 RPM (Tier 5 Enterprise) · 800,000 – 2,000,000 TPMUnlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud
Long-Context Tier (>128K/200K)Flat rate ($0.006/1M in) across full 0K windowFlat rate ($0.0006/1M in) across full 0K window
Prompt Cache Policy & TTLAutomatic prefix caching at $0/1M (no extra cache-write fee)Automatic prefix caching at $0/1M (no extra cache-write fee)
Computer Use / GUI AgentText-only completion (No GUI action loop)Text-only completion (No GUI action loop)
MCP & Parallel Tool CallingPrompt-based JSON extraction onlyPrompt-based JSON extraction only
Web Search Grounding & SandboxNative Web Search tool + Hosted Code Interpreter & File Search RAGNative Web Search tool + Hosted Code Interpreter & File Search RAG
Official Fine-Tuning SupportSupervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)
Multimodal Token BillingText BPE (~4 chars/token) · Audio (~25–32 tokens/sec)Text BPE (~4 chars/token) · Audio (~25–32 tokens/sec)
Quantization & Min GPU VRAMCloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 2 GB VRAM (4-bit Quantized) · 4 GB VRAM (Native BF16)
Safety & Frontier ClassificationOpenAI Preparedness Framework Audited & System Card PublishedOpenAI Preparedness Framework Audited & System Card Published
Enterprise Compliance (ZDR/HIPAA/SOC2)SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control
Input Modalitiesaudioaudio
Output Modalitiestexttext

GPT Realtime Whisper vs Whisper Large v3 Turbo: よくある質問 (FAQ)

Which is more intelligent, GPT Realtime Whisper or Whisper Large v3 Turbo?

GPT Realtime Whisper is more intelligent. It scores 44 compared with 42 on the composite Intelligence Index.

Which model is faster?

Whisper Large v3 Turbo is faster, generating 180 tokens per second compared with 140 tokens per second.

Which model has lower latency?

Whisper Large v3 Turbo has lower latency, with a time to first token of 0.12s compared with 0.15s.

総合評価

GPT Realtime Whisper(自然な音声合成(TTS)、リアルタイム音声対話、高精度な文字起こし、エンタープライズRAG基盤、スケーラブルな本番API統合に最適。)とWhisper Large v3 Turbo(自然な音声合成(TTS)、リアルタイム音声対話、高精度な文字起こし、エンタープライズRAG基盤、スケーラブルな本番API統合に最適。)はいずれも優れた選択肢です。高度な推論・コーディング精度ではGPT Realtime Whisperがリードし、応答速度とスループットではWhisper Large v3 Turboが優れ、APIコスト効率ではWhisper Large v3 Turboが有利です。

よくある質問 (FAQ)

コーディングや複雑な推論には GPT Realtime Whisper と Whisper Large v3 Turbo のどちらが適していますか?+

総合知能指数およびコーディング評価では GPT Realtime Whisper が優位です。上部の SWE-bench や GPQA スコアもあわせてご確認ください。

GPT Realtime Whisper と Whisper Large v3 Turbo ではどちらのAPI料金が安いですか?+

GPT Realtime Whisper は100万トークンあたり入力$0.01 / 出力$0.00、Whisper Large v3 Turbo は入力$0.00 / 出力$0.00です。総合的なコスト効率では Whisper Large v3 Turbo がより経済的です。

コンテキスト長と生成速度はどちらが優れていますか?+

コンテキストウィンドウは GPT Realtime Whisper が 448 トークン、Whisper Large v3 Turbo が 448 トークン です。出力スピード(トークン/秒)では Whisper Large v3 Turbo がリードしています。

AI Terminology & Guide
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Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.

公的ソース: OpenAIおよびOpenAI公式APIドキュメント、システムカード、独立ベンチマーク評価 (2026)。