Head-to-Head Model Comparison

Claude Opus 4 vs Claude Sonnet 4

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Verificato dal team di ricerca di GetInfoUsUltima verifica: October 2026Politica editoriale

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Claude Opus 4Profile

Claude Sonnet 4Profile

Multi-Model Arena Stack:

5-Model Matrix Workbench

Popular Matchups:

Anthropic

Claude Opus 4

Motore di Ragionamento Profondo

Claude Opus 4 di Anthropic è un modello di IA progettato per il ragionamento logico profondo, la matematica avanzata e l’analisi scientifica, con finestra di contesto da 200K, velocità di 42 token/s, indice di intelligenza di 61/100 e tarif

Intelligence Index61 / 100

Input Token:

$15.00 / 1M

Output Token:

$75.00 / 1M

Context Window:

200K tokens

SWE-bench Verified:

72.5%

Anthropic

Claude Sonnet 4

IA Agentica e Strumenti Autonomi

Claude Sonnet 4 di Anthropic è un modello di IA progettato per i workflow agentici autonomi, il tool calling e l’automazione multi-step, con finestra di contesto da 200K, velocità di 85 token/s, indice di intelligenza di 58/100 e tariffa di

Intelligence Index58 / 100

Input Token:

$3.00 / 1M

Output Token:

$15.00 / 1M

Context Window:

200K tokens

SWE-bench Verified:

72.7%

Differenze Chiave a Colpo d’Occhio

Claude Sonnet 4 is 5.0x cheaper for API usage (input + output tokens combined).
Claude Sonnet 4 is faster at 85 tok/s vs 42 tok/s.
Claude Sonnet 4 leads on SWE-bench coding (72.7% vs 72.5%).

Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →

Feature	Claude Opus 4	Claude Sonnet 4
Intelligence Index Composite reasoning & knowledge score (0-100)	61	58
Provider	Anthropic	Anthropic
Input Price Cost per million input tokens	$15.00 / 1M	$3.00 / 1M
Output Price Cost per million output tokens	$75.00 / 1M	$15.00 / 1M
Blended Price Weighted 7:2:1 cache:input:output per 1M	$11.55 / 1M	$2.31 / 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	32K	64K
Throughput Speed Tokens generated per second	42 tok/s	85 tok/s
SWE-bench Verified Real-world software engineering	72.5%	72.7%
GPQA Diamond Graduate-level reasoning	73.8%	71.2%
Cached Input Price Prompt caching discount per 1M tokens	$1.50 / 1M	$0.30 / 1M

Chi vince in ogni categoria?

At-a-glance decision framework

Coding

Claude Sonnet 4

+0.2% SWE-bench lead

Cost

Claude Sonnet 4

5.0x cheaper monthly runtime

Speed

Claude Sonnet 4

+102% faster generation

Context

Tied

200K tokens window

Punteggi Benchmark Verificati

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

Claude Opus 4Claude Sonnet 4

SWE-bench Verified (Autonomous Coding)

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

72.5%vs72.7%

GPQA Diamond (Doctorate-Level Science & Math)

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

73.8%vs71.2%

MMLU-Pro (Multi-task Language Understanding)

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

86.1%vs84.5%

LMSYS Chatbot Arena Elo

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

1368ptsvs1362pts

Terminal-Bench (Agentic Coding & Terminal Use)

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

43.2%vs42.1%

Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

42 tok/s vs85 tok/s

Latenza e Tempo di Risposta

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

Claude Opus 41.80s

Claude Sonnet 40.52s

Est. End-to-End Response (500 tokens)TTFT + generation time

Claude Opus 413.70s

Claude Sonnet 46.40s

Simulatore Interattivo dei Costi Token

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

Daily Input Tokens100K / day

10K500K1M

Daily Output Tokens30K / day

5K150K300K

Prompt Cache Hit Ratio50% cached

0% (Cold)50%90% (Warm)

Claude Opus 4 Monthly API Bill

$92.25 / month

$15/1M in · $75/1M out

Claude Sonnet 4 Monthly API Bill

$18.45 / month

$3/1M in · $15/1M out

Claude Sonnet 4 saves approximately $73.80 / month (80%) under this workload.5.0x Savings

Claude Opus 4 · Strengths & Key Advantages

Finestra di contesto da 200K con capacità massima di output fino a 32K token (SWE-bench Verified 72.5% · GPQA Diamond 73.8%)
Throughput elevato di 42 token/secondo con latenza al primo token (TTFT) di soli 1800 ms
Economia API competitiva ($15/$75 per 1M di token) con supporto per prompt caching, tool calling e output JSON strutturati

Considerations & Trade-offs

Modello cloud proprietario chiuso; non consente il download locale dei pesi per l’esecuzione offline
Per volumi di traffico elevati in produzione si consiglia di attivare il prompt caching e la Batch API

Claude Sonnet 4 · Strengths & Key Advantages

Finestra di contesto da 200K con capacità massima di output fino a 64K token (SWE-bench Verified 72.7% · GPQA Diamond 71.2%)
Throughput elevato di 85 token/secondo con latenza al primo token (TTFT) di soli 520 ms
Economia API competitiva ($3/$15 per 1M di token) con supporto per prompt caching, tool calling e output JSON strutturati

Considerations & Trade-offs

Modello cloud proprietario chiuso; non consente il download locale dei pesi per l’esecuzione offline
Per volumi di traffico elevati in produzione si consiglia di attivare il prompt caching e la Batch API

Token Use & Task Economics

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

Metric	Claude Opus 4	Claude Sonnet 4
Cost per Task Estimated USD to finish one task	$16.46	$3.29
Output Tokens / Task Tokens generated per task	72K	72K
Reasoning Tokens / Task Thinking tokens burned per task	37K	37K

Specifiche Tecniche

Architecture, release timeline, capabilities, and modalities.

Claude Opus 4 vs Claude Sonnet 4: Risposte Rapide (FAQ)

Which is more intelligent, Claude Opus 4 or Claude Sonnet 4?

Claude Opus 4 is more intelligent. It scores 61 compared with 58 on the composite Intelligence Index.

Which model is faster?

Claude Sonnet 4 is faster, generating 85 tokens per second compared with 42 tokens per second.

Which model is cheaper to run?

Claude Sonnet 4 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 Sonnet 4 has lower latency, with a time to first token of 0.52s compared with 1.80s.

Verdetto

Sia Claude Opus 4 (Ideale per il ragionamento logico profondo, la matematica avanzata e l’analisi scientifica, sistemi RAG aziendali e integrazioni API scalabili.) sia Claude Sonnet 4 (Ideale per i workflow agentici autonomi, il tool calling e l’automazione multi-step, sistemi RAG aziendali e integrazioni API scalabili.) eccellono in produzione: Claude Opus 4 guida nei benchmark di ragionamento e programmazione, Claude Sonnet 4 garantisce una generazione più rapida e Claude Sonnet 4 offre il miglior rapporto qualità-prezzo per carichi API elevati.

Domande Frequenti (FAQ)

Quale modello è migliore per coding e ragionamento, Claude Opus 4 o Claude Sonnet 4?+

Nell’indice di intelligenza composito e nei benchmark di programmazione prevale Claude Opus 4. Consulta i punteggi SWE-bench e GPQA qui sopra per tutti i dettagli.

Qual è la differenza di prezzo API tra Claude Opus 4 e Claude Sonnet 4?+

Claude Opus 4 costa $15.00 / $75.00 per milione di token di input/output, mentre Claude Sonnet 4 costa $3.00 / $15.00. Nel costo combinato, Claude Sonnet 4 risulta più economico.

Quale modello ha la finestra di contesto più ampia e la velocità maggiore?+

Claude Opus 4 supporta 200K token di contesto contro 200K token di Claude Sonnet 4, mentre Claude Sonnet 4 offre una velocità di generazione superiore.

AI Terminology & Guide

Explore Glossary →

Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.

Tokens & Pricing Context Window AI Benchmarks Reasoning Models Tool Calling Model Context Protocol (MCP)

Feature	Claude Opus 4	Claude Sonnet 4
Official API Model ID (SDK)	claude-opus-4-20250501	claude-sonnet-4-20250501
API Protocol	Anthropic Messages API + AWS Bedrock + Vertex AI	Anthropic Messages API + AWS Bedrock + Vertex AI
Release Date	2025-05	2025-05
Knowledge Cutoff	March 2025	March 2025
Architecture	Dense Frontier Reasoning Transformer	Hybrid Multimodal Reasoning 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	$1.5/1M cached read (90% off); 5-min default & 1-hour extended TTL	$0.3/1M 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 Opus 4 vs Claude Sonnet 4

Cambia e Confronta Qualsiasi Modello

Claude Opus 4

Claude Sonnet 4

Chi vince in ogni categoria?

Punteggi Benchmark Verificati

Latenza e Tempo di Risposta

Simulatore Interattivo dei Costi Token

Claude Opus 4 · Strengths & Key Advantages

Considerations & Trade-offs

Claude Sonnet 4 · Strengths & Key Advantages

Considerations & Trade-offs

Token Use & Task Economics

Specifiche Tecniche

Claude Opus 4 vs Claude Sonnet 4: Risposte Rapide (FAQ)

Verdetto

Domande Frequenti (FAQ)

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