Claude 3.5 Sonnet vs Claude 3 Opus
Benchmarks, API Token Pricing, Context Window & Speed Comparison
Related topics (12)
Claude 3.5 Sonnet by Anthropic and Claude 3 Opus by Anthropic represent two of the frontier AI models analyzed in our comprehensive 2026 AI benchmark and LLM comparison. In this head-to-head evaluation, we examine API token pricing, context window specifications, inference speed (tokens per second), and empirical reasoning performance. From a pure economic perspective, Claude 3.5 Sonnet holds a notable pricing advantage for token ingestion. On output generation, Claude 3.5 Sonnet is more economical per million generated tokens. In data-heavy architectures requiring extensive repository or document analysis, both models provide an identical memory horizon with 200K tokens. In latency-sensitive production environments, Claude 3.5 Sonnet leads in tokens-per-second throughput, making it ideal for real-time conversational agents and high-concurrency workflows. Below is the complete empirical head-to-head breakdown across cost, speed, context, and capability matrices.
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Claude 3.5 Sonnet
フラッグシップ最先端モデルAnthropic が提供する Claude 3.5 Sonnet は、最大 200K トークンのコンテキストウィンドウを備え、入力 $3/100万トークン・出力 $15/100万トークンで利用可能な、コーディング・推論・業務自動化向け AI モデルです。
$3.00 / 1M
$15.00 / 1M
200K tokens
65%
Claude 3 Opus
フラッグシップ最先端モデルAnthropic が提供する Claude 3 Opus は、最大 200K トークンのコンテキストウィンドウを備え、入力 $15/100万トークン・出力 $75/100万トークンで利用可能な、コーディング・推論・業務自動化向け AI モデルです。
$15.00 / 1M
$75.00 / 1M
200K tokens
32.2%
ひと目でわかる主な違い
- Claude 3.5 Sonnet is 5.0x cheaper for API usage (input + output tokens combined).
- Claude 3.5 Sonnet is faster at 80 tok/s vs 30 tok/s.
- Claude 3.5 Sonnet leads on SWE-bench coding (65.0% vs 32.2%).
| Feature | Claude 3.5 Sonnet | Claude 3 Opus |
|---|---|---|
Intelligence Index Composite reasoning & knowledge score (0-100) | 50 | 44 |
Provider | Anthropic | Anthropic |
Input Price Cost per million input tokens | $3.00 / 1M | $15.00 / 1M |
Output Price Cost per million output tokens | $15.00 / 1M | $75.00 / 1M |
Blended Price Weighted 7:2:1 cache:input:output per 1M | $2.31 / 1M | $11.55 / 1M |
Context Window Maximum input + output tokens | 200K tokens~300 A4 pages of text | 200K tokens~300 A4 pages of text |
Max Output Tokens Per single request | 8K | 4K |
Throughput Speed Tokens generated per second | 80 tok/s | 30 tok/s |
SWE-bench Verified Real-world software engineering | 65% | 32.2% |
GPQA Diamond Graduate-level reasoning | 59.4% | 50.4% |
Cached Input Price Prompt caching discount per 1M tokens | $0.30 / 1M | $1.50 / 1M |
分野別勝者スコアカード
At-a-glance decision framework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.
Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.
Challenging questions created by domain experts to test complex PhD-level reasoning.
Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.
Crowdsourced human preference evaluation based on blind, head-to-head model battles.
Autonomous multi-step tasks executed inside a real command-line terminal environment.
Contamination-free competitive programming problems collected continuously over time.
Tokens emitted per second during active generation streaming.
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.
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.
Claude 3.5 Sonnet · Strengths & Key Advantages
- Anthropic の高度な Next-Gen Multimodal Hybrid Transformer アーキテクチャと 200K トークンのコンテキスト処理能力
- 優れたコストパフォーマンス（入力 $3/1M、出力 $15/1M）と安定した応答速度
- プログラミング、論理的推論、多言語タスクにおいて高いベンチマーク精度を実現
Considerations & Trade-offs
- 大規模な長文コンテキスト処理時はトークン消費量の最適化が必要
- 専門領域のタスクでは適切なプロンプト設計や RAG の併用が推奨される
Claude 3 Opus · Strengths & Key Advantages
- Anthropic の高度な Frontier Dense Multimodal Transformer アーキテクチャと 200K トークンのコンテキスト処理能力
- 優れたコストパフォーマンス（入力 $15/1M、出力 $75/1M）と安定した応答速度
- プログラミング、論理的推論、多言語タスクにおいて高いベンチマーク精度を実現
Considerations & Trade-offs
- 大規模な長文コンテキスト処理時はトークン消費量の最適化が必要
- 専門領域のタスクでは適切なプロンプト設計や RAG の併用が推奨される
Token Use & Task Economics
Estimated cost and token consumption to complete one representative agentic task.
| Metric | Claude 3.5 Sonnet | Claude 3 Opus |
|---|---|---|
Cost per Task Estimated USD to finish one task | $0.20 | $0.20 |
Output Tokens / Task Tokens generated per task | 24K | 24K |
Reasoning Tokens / Task Thinking tokens burned per task | 0K | 0K |
技術仕様・スペック
Architecture, release timeline, capabilities, and modalities.
| Feature | Claude 3.5 Sonnet | Claude 3 Opus |
|---|---|---|
| Official API Model ID (SDK) | claude-3-5-sonnet-20240601 | claude-3-opus-20240301 |
| API Protocol | Anthropic Messages API + AWS Bedrock + Vertex AI | Anthropic Messages API + AWS Bedrock + Vertex AI |
| Release Date | 2024-06 | 2024-03 |
| Knowledge Cutoff | April 2024 | August 2023 |
| Architecture | Next-Gen Multimodal Hybrid Transformer | Frontier Dense Multimodal Transformer |
| Parameters | Confidential | Confidential |
| Enterprise Rate Limits (RPM / TPM) | 4,000 – 10,000 RPM (Tier 4 + Priority Tier) · 800,000 – 2,000,000 TPM | 4,000 – 10,000 RPM (Tier 4 + Priority Tier) · 800,000 – 2,000,000 TPM |
| Long-Context Tier (>128K/200K) | Standard rate up to 200K tokens; 2x input/output tier above 200K tokens | Standard rate up to 200K tokens; 2x input/output tier above 200K tokens |
| Prompt Cache Policy & TTL | $0.3/1M cached read (90% off); 5-min default & 1-hour extended TTL | $1.5/1M cached read (90% off); 5-min default & 1-hour extended TTL |
| Computer Use / GUI Agent | Supported (Screen coordinate grounding, browser & desktop GUI action loops) | Supported (Screen coordinate grounding, browser & desktop GUI action loops) |
| MCP & Parallel Tool Calling | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema |
| Web Search Grounding & Sandbox | Native Web Search Citations + Code Execution Tool + MCP Connectors | Native Web Search Citations + Code Execution Tool + MCP Connectors |
| Official Fine-Tuning Support | Custom Model Tuning via Amazon Bedrock & Prompt Distillation | Custom Model Tuning via Amazon Bedrock & Prompt Distillation |
| Multimodal Token Billing | Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile) | Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile) |
| Quantization & Min GPU VRAM | Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API) | Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API) |
| Safety & Frontier Classification | Anthropic RSP ASL-2 / ASL-3 Constitutional Safety Evaluated | Anthropic RSP ASL-2 / ASL-3 Constitutional Safety Evaluated |
| Enterprise Compliance (ZDR/HIPAA/SOC2) | SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier | SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier |
| Input Modalities | text, vision | text, vision |
| Output Modalities | text | text |
Claude 3.5 Sonnet vs Claude 3 Opus: よくある質問 (FAQ)
Which is more intelligent, Claude 3.5 Sonnet or Claude 3 Opus?
Claude 3.5 Sonnet is more intelligent. It scores 50 compared with 44 on the composite Intelligence Index.
Which model is faster?
Claude 3.5 Sonnet is faster, generating 80 tokens per second compared with 30 tokens per second.
Which model is cheaper to run?
Claude 3.5 Sonnet is cheaper at $2.31 per 1M tokens blended, compared with $11.55 (7:2:1 cache:input:output ratio).
Which model has lower latency?
Claude 3.5 Sonnet has lower latency, with a time to first token of 0.48s compared with 1.20s.
総合評価
Verdict & Model Selection Recommendation: Choose Claude 3.5 Sonnet if your priority is Complex multi-file software engineering, developer agents, visual UI prototyping, and autonomous computer use. Its performance in demanding tasks justifies its operational token cost. Choose Claude 3 Opus if your workflow prioritizes Executive strategy briefs, high-end creative writing, philosophical research, and nuanced legal evaluation. For large-scale batch processing or customer-facing conversational interfaces, its balance of speed and economics delivers superior ROI.
よくある質問 (FAQ)
How does Claude 3.5 Sonnet compare to Claude 3 Opus in API token pricing and cost per token?+
Claude 3.5 Sonnet costs $3.00 per 1M input tokens and $15.00 per 1M output tokens, whereas Claude 3 Opus costs $15.00 input and $75.00 output. Overall, Claude 3.5 Sonnet is the more cost-effective model for high-volume API pipelines. Both models support prompt caching discounts of up to 90% for repeated prompt prefixes.
Which model has a larger context window: Claude 3.5 Sonnet or Claude 3 Opus?+
Both Claude 3.5 Sonnet and Claude 3 Opus offer an identical context window of 200K tokens (~150k words). Both architectures provide equal capacity for large document ingestion, multi-file codebases, and extended multi-turn conversation histories.
Which AI model is better for software engineering and coding: Claude 3.5 Sonnet or Claude 3 Opus?+
Claude 3.5 Sonnet scores 65% on SWE-bench Verified while Claude 3 Opus scores 32.2%. For autonomous software engineering and multi-file debugging, Claude 3.5 Sonnet holds the verified benchmark lead.
What is the difference in reasoning capability and extended thinking between Claude 3.5 Sonnet and Claude 3 Opus?+
Claude 3.5 Sonnet is optimized for low-latency direct generation. In contrast, Claude 3 Opus focuses on standard fast inference.
How does inference speed (tokens per second) compare between Claude 3.5 Sonnet and Claude 3 Opus?+
Claude 3.5 Sonnet generates approximately 80 tokens per second, while Claude 3 Opus delivers 30 tokens per second. In latency-sensitive production environments, Claude 3.5 Sonnet provides faster time-to-first-token (TTFT) and higher streaming response velocity.
Can you implement a tiered LLM routing setup combining Claude 3.5 Sonnet and Claude 3 Opus to optimize costs?+
Yes! High-efficiency architectures route high-frequency routine classification and conversational tasks to Claude 3.5 Sonnet to save operational costs, and dynamically escalate complex architectural queries or reasoning tasks to Claude 3 Opus. This tiered routing pattern cuts overall API bills by up to 70%.
Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.
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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: GetInfoUs Independent AI Benchmarks & Official API Specs