Head-to-Head Model Comparison

Grok-3 vs Claude 3.7 Sonnet

Benchmarks, API Token Pricing, Context Window & Speed Comparison

GetInfoUs リサーチチーム監修最終確認日: October 2026編集方針
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
Grok-3 vs Claude 3.7 Sonnet: Benchmarks, Pricing & Speed Comparison

Grok-3 by xAI and Claude 3.7 Sonnet 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, both models offer identical input token rates. On output generation, costs are matched. In data-heavy architectures requiring extensive repository or document analysis, Grok-3 provides an expanded memory horizon with 1,000K tokens. In latency-sensitive production environments, Grok-3 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.

徹底比較 (VS)

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xAI

Grok-3

高度な推論モデル

xAI が提供する Grok-3 は、最大 1M 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。

Intelligence Index54 / 100
Input Token:

$3.00 / 1M

Output Token:

$15.00 / 1M

Context Window:

1M tokens

SWE-bench Verified:

65.2%

Anthropic

Claude 3.7 Sonnet

高度な推論モデル

Anthropic が提供する Claude 3.7 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。

Intelligence Index48 / 100
Input Token:

$3.00 / 1M

Output Token:

$15.00 / 1M

Context Window:

200K tokens

SWE-bench Verified:

70.3%

ひと目でわかる主な違い

  • Claude 3.7 Sonnet is 1.0x cheaper for API usage (input + output tokens combined).
  • Grok-3 has a larger context window (1M vs 200K tokens).
  • Grok-3 is faster at 95 tok/s vs 72 tok/s.
  • Claude 3.7 Sonnet leads on SWE-bench coding (70.3% vs 65.2%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureGrok-3Claude 3.7 Sonnet
Intelligence Index
Composite reasoning & knowledge score (0-100)
5448
Provider
xAIAnthropic
Input Price
Cost per million input tokens
$3.00 / 1M$3.00 / 1M
Output Price
Cost per million output tokens
$15.00 / 1M$15.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$2.63 / 1M$2.31 / 1M
Context Window
Maximum input + output tokens
1M tokens~1,500 A4 pages of text200K tokens~300 A4 pages of text
Max Output Tokens
Per single request
33K64K
Throughput Speed
Tokens generated per second
95 tok/s72 tok/s
SWE-bench Verified
Real-world software engineering
65.2%70.3%
GPQA Diamond
Graduate-level reasoning
74%65%
Cached Input Price
Prompt caching discount per 1M tokens
$0.75 / 1M$0.30 / 1M

分野別勝者スコアカード

At-a-glance decision framework
Coding
Claude 3.7 Sonnet
+5.1% SWE-bench lead
Cost
Claude 3.7 Sonnet
1.0x cheaper monthly runtime
Speed
Grok-3
+32% faster generation
Context
Grok-3
1M 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.

Grok-3Claude 3.7 Sonnet
SWE-bench Verified (Autonomous Coding)

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

65.2%vs70.3%
GPQA Diamond (Doctorate-Level Science & Math)

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

74%vs65%
MMLU-Pro (Multi-task Language Understanding)

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

88.5%vs78.2%
LMSYS Chatbot Arena Elo

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

1342ptsvs1335pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

10.2%vs8.9%
Terminal-Bench (Agentic Coding & Terminal Use)

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

41%vs35.2%
SciCode (Scientific Computing)

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

42.5%vs40.1%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

70.8%vs64.8%
AIME (Advanced Math Competition)

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

82.5%vs61.3%
Long-Context Reasoning

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

78.5%vs71.5%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

95 tok/s vs72 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
Grok-31.10s
Claude 3.7 Sonnet0.52s
Est. End-to-End Response (500 tokens)TTFT + generation time
Grok-36.36s
Claude 3.7 Sonnet7.46s

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)
Grok-3 Monthly API Bill
$19.13 / month
$3/1M in · $15/1M out
Claude 3.7 Sonnet Monthly API Bill
$18.45 / month
$3/1M in · $15/1M out
Claude 3.7 Sonnet saves approximately $0.68 / month (4%) under this workload.1.0x Savings

Grok-3 · Strengths & Key Advantages

  • xAI の高度な Hybrid Reasoning Deep MoE アーキテクチャと 1M 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 3.7 Sonnet · Strengths & Key Advantages

  • Anthropic の高度な Hybrid Reasoning MoE 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

Token Use & Task Economics

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

MetricGrok-3Claude 3.7 Sonnet
Cost per Task
Estimated USD to finish one task
$0.20$1.42
Output Tokens / Task
Tokens generated per task
24K41K
Reasoning Tokens / Task
Thinking tokens burned per task
15K22K

技術仕様・スペック

Architecture, release timeline, capabilities, and modalities.

FeatureGrok-3Claude 3.7 Sonnet
Official API Model ID (SDK)grok-3-latestclaude-3-7-sonnet-20250201
API ProtocolxAI REST API (OpenAI-Compatible)Anthropic Messages API + AWS Bedrock + Vertex AI
Release Date2025-022025-02
Knowledge CutoffLate 2024November 2024
ArchitectureHybrid Reasoning Deep MoEHybrid Reasoning MoE
ParametersConfidentialConfidential
Enterprise Rate Limits (RPM / TPM)5,000 – 15,000 RPM (Production Tier) · 4,000,000 – 10,000,000 TPM4,000 – 10,000 RPM (Tier 4 + Priority Tier) · 800,000 – 2,000,000 TPM
Long-Context Tier (>128K/200K)Flat rate ($3/1M in) across full 1000K windowStandard rate up to 200K tokens; 2x input/output tier above 200K tokens
Prompt Cache Policy & TTLCached input at $0.75/1M tokens$0.3/1M cached read (90% off); 5-min default & 1-hour extended TTL
Computer Use / GUI AgentAPI / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)Supported (Screen coordinate grounding, browser & desktop GUI action loops)
MCP & Parallel Tool CallingNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON SchemaNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & SandboxReal-time Web & X (Twitter) Search Grounding + Code ExecutionNative Web Search Citations + Code Execution Tool + MCP Connectors
Official Fine-Tuning SupportAPI Prompt Engineering & RAG DistillationCustom Model Tuning via Amazon Bedrock & Prompt Distillation
Multimodal Token BillingText 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 VRAMCloud-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 ClassificationxAI Production Safety & Alignment VerifiedAnthropic 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 TierSOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier
Input Modalitiestext, visiontext, vision
Output Modalitiestexttext

Grok-3 vs Claude 3.7 Sonnet: よくある質問 (FAQ)

Which is more intelligent, Grok-3 or Claude 3.7 Sonnet?

Grok-3 is more intelligent. It scores 54 compared with 48 on the composite Intelligence Index.

Which model is faster?

Grok-3 is faster, generating 95 tokens per second compared with 72 tokens per second.

Which model is cheaper to run?

Claude 3.7 Sonnet is cheaper at $2.31 per 1M tokens blended, compared with $2.63 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Claude 3.7 Sonnet has lower latency, with a time to first token of 0.52s compared with 1.10s.

Which model has a larger context window?

Grok-3 has a larger context window, supporting 1M tokens compared with 200K tokens.

総合評価

Verdict & Model Selection Recommendation: Choose Grok-3 if your priority is Frontier algorithmic development, complex technical architecture, and mathematical proofs. Its performance in demanding tasks justifies its operational token cost. Choose Claude 3.7 Sonnet if your workflow prioritizes Full-stack software architecture, complex refactoring, and agentic workflows. 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 Grok-3 compare to Claude 3.7 Sonnet in API token pricing and cost per token?+

Both Grok-3 and Claude 3.7 Sonnet share matched API token pricing at $3.00 per 1M input tokens and $15.00 per 1M output tokens. Because their token economics are identical, your selection should be guided by benchmark latency, memory horizon, and reasoning capabilities rather than operational token fees. Both models support prompt caching discounts of up to 90% for repeated prompt prefixes.

Which model has a larger context window: Grok-3 or Claude 3.7 Sonnet?+

Grok-3 supports a context window of 1,000K tokens (~750k words), while Claude 3.7 Sonnet supports 200K tokens (~150k words). Therefore, Grok-3 can process more textual data and document context in a single prompt.

Which AI model is better for software engineering and coding: Grok-3 or Claude 3.7 Sonnet?+

Grok-3 scores 65.2% on SWE-bench Verified while Claude 3.7 Sonnet scores 70.3%. For autonomous software engineering and multi-file debugging, Claude 3.7 Sonnet holds the verified benchmark lead.

What is the difference in reasoning capability and extended thinking between Grok-3 and Claude 3.7 Sonnet?+

Grok-3 features native chain-of-thought extended thinking mode with configurable reasoning effort. In contrast, Claude 3.7 Sonnet provides chain-of-thought reasoning depth for complex math and science.

How does inference speed (tokens per second) compare between Grok-3 and Claude 3.7 Sonnet?+

Grok-3 generates approximately 95 tokens per second, while Claude 3.7 Sonnet delivers 72 tokens per second. In latency-sensitive production environments, Grok-3 provides faster time-to-first-token (TTFT) and higher streaming response velocity.

Can you implement a tiered LLM routing setup combining Grok-3 and Claude 3.7 Sonnet to optimize costs?+

Yes! Tiered multi-model routing can optimize for latency and accuracy: you can route high-frequency conversational turns and latency-sensitive queries to Grok-3, and route deep architectural or complex reasoning queries to Grok-3. This balanced routing strategy maximizes system throughput and answer quality.

AI Terminology & Guide
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