Head-to-Head Model Comparison

Claude Fable 5 vs Claude Sonnet 5

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Revisado pela equipe de pesquisa do GetInfoUsÚltima revisão: October 2026Política editorial

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Claude Fable 5Profile

Claude Sonnet 5Profile

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Anthropic

Claude Fable 5

Modelo Principal de Fronteira

O Claude Fable 5 da Anthropic é um modelo de IA projetado para raciocínio corporativo de fronteira, programação avançada e cargas de produção, oferecendo janela de contexto de 1M, velocidade de 52 tokens/s, índice de inteligência de 72/100

Intelligence Index72 / 100

Input Token:

$10.00 / 1M

Output Token:

$50.00 / 1M

Context Window:

1M tokens

SWE-bench Verified:

76.5%

Anthropic

Claude Sonnet 5

Modelo Principal de Fronteira

O Claude Sonnet 5 da Anthropic é um modelo de IA projetado para raciocínio corporativo de fronteira, programação avançada e cargas de produção, oferecendo janela de contexto de 1M, velocidade de 95 tokens/s, índice de inteligência de 68/100

Intelligence Index68 / 100

Input Token:

$3.00 / 1M

Output Token:

$15.00 / 1M

Context Window:

1M tokens

SWE-bench Verified:

81.2%

Principais Diferenças em Resumo

Claude Sonnet 5 is 3.3x cheaper for API usage (input + output tokens combined).
Claude Sonnet 5 is faster at 95 tok/s vs 52 tok/s.
Claude Sonnet 5 leads on SWE-bench coding (81.2% vs 76.5%).

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

Feature	Claude Fable 5	Claude Sonnet 5
Intelligence Index Composite reasoning & knowledge score (0-100)	72	68
Provider	Anthropic	Anthropic
Input Price Cost per million input tokens	$10.00 / 1M	$3.00 / 1M
Output Price Cost per million output tokens	$50.00 / 1M	$15.00 / 1M
Blended Price Weighted 7:2:1 cache:input:output per 1M	$7.70 / 1M	$2.31 / 1M
Context Window Maximum input + output tokens	1M tokens~1,500 A4 pages of text	1M tokens~1,500 A4 pages of text
Max Output Tokens Per single request	128K	128K
Throughput Speed Tokens generated per second	52 tok/s	95 tok/s
SWE-bench Verified Real-world software engineering	76.5%	81.2%
GPQA Diamond Graduate-level reasoning	79.2%	77.5%
Cached Input Price Prompt caching discount per 1M tokens	$1.00 / 1M	$0.30 / 1M

Quem vence em cada categoria?

At-a-glance decision framework

Coding

Claude Sonnet 5

+4.7% SWE-bench lead

Cost

Claude Sonnet 5

3.3x cheaper monthly runtime

Speed

Claude Sonnet 5

+83% faster generation

Context

Tied

1M tokens window

Pontuações de Benchmarks Verificadas

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

Claude Fable 5Claude Sonnet 5

SWE-bench Verified (Autonomous Coding)

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

76.5%vs81.2%

GPQA Diamond (Doctorate-Level Science & Math)

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

79.2%vs77.5%

MMLU-Pro (Multi-task Language Understanding)

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

88.5%vs89.2%

LMSYS Chatbot Arena Elo

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

1435ptsvs1445pts

Terminal-Bench (Agentic Coding & Terminal Use)

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

44.5%vs56.4%

Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

52 tok/s vs95 tok/s

Latência e Tempo de Resposta

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 Fable 51.75s

Claude Sonnet 50.60s

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

Claude Fable 511.37s

Claude Sonnet 55.86s

Simulador Interativo de Custo de Tokens

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 Fable 5 Monthly API Bill

$61.50 / month

$10/1M in · $50/1M out

Claude Sonnet 5 Monthly API Bill

$18.45 / month

$3/1M in · $15/1M out

Claude Sonnet 5 saves approximately $43.05 / month (70%) under this workload.3.3x Savings

Claude Fable 5 · Strengths & Key Advantages

Janela de contexto de 1M com limite máximo de saída de 128K tokens (SWE-bench Verified 76.5% · GPQA Diamond 79.2%)
Taxa de transferência rápida de 52 tokens/segundo com latência inicial (TTFT) de 1750 ms
Economia de API competitiva ($10/$50 por 1M de tokens) com suporte a cache de prompts e saídas JSON estruturadas

Considerations & Trade-offs

Modelo proprietário em nuvem; não permite download dos pesos para execução local offline
Para alto volume de requisições, recomenda-se ativar o cache de prompts e a Batch API para reduzir custos

Claude Sonnet 5 · Strengths & Key Advantages

Janela de contexto de 1M com limite máximo de saída de 128K tokens (SWE-bench Verified 81.2% · GPQA Diamond 77.5%)
Taxa de transferência rápida de 95 tokens/segundo com latência inicial (TTFT) de 600 ms
Economia de API competitiva ($3/$15 por 1M de tokens) com suporte a cache de prompts e saídas JSON estruturadas

Considerations & Trade-offs

Modelo proprietário em nuvem; não permite download dos pesos para execução local offline
Para alto volume de requisições, recomenda-se ativar o cache de prompts e a Batch API para reduzir custos

Token Use & Task Economics

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

Metric	Claude Fable 5	Claude Sonnet 5
Cost per Task Estimated USD to finish one task	$10.97	$3.48
Output Tokens / Task Tokens generated per task	72K	72K
Reasoning Tokens / Task Thinking tokens burned per task	37K	38K

Especificações Técnicas

Architecture, release timeline, capabilities, and modalities.

Claude Fable 5 vs Claude Sonnet 5: Respostas Rápidas (FAQ)

Which is more intelligent, Claude Fable 5 or Claude Sonnet 5?

Claude Fable 5 is more intelligent. It scores 72 compared with 68 on the composite Intelligence Index.

Which model is faster?

Claude Sonnet 5 is faster, generating 95 tokens per second compared with 52 tokens per second.

Which model is cheaper to run?

Claude Sonnet 5 is cheaper at $2.31 per 1M tokens blended, compared with $7.70 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Claude Sonnet 5 has lower latency, with a time to first token of 0.60s compared with 1.75s.

Veredito

Tanto Claude Fable 5 (Indicado para raciocínio corporativo de fronteira, programação avançada e cargas de produção, arquiteturas RAG corporativas e integração escalável via API.) quanto Claude Sonnet 5 (Indicado para raciocínio corporativo de fronteira, programação avançada e cargas de produção, arquiteturas RAG corporativas e integração escalável via API.) entregam excelente desempenho: Claude Fable 5 lidera em inteligência geral e programação, Claude Sonnet 5 oferece geração mais rápida e Claude Sonnet 5 apresenta o melhor custo-benefício em produção.

Perguntas Frequentes (FAQ)

Qual é melhor para programação e raciocínio, Claude Fable 5 ou Claude Sonnet 5?+

Nas avaliações de inteligência e código, Claude Fable 5 leva vantagem. Confira os gráficos SWE-bench e GPQA acima para detalhes.

Qual modelo tem a API mais barata, Claude Fable 5 ou Claude Sonnet 5?+

O Claude Fable 5 custa $10.00 / $50.00 por 1M de tokens (entrada/saída) e o Claude Sonnet 5 custa $3.00 / $15.00. No custo combinado, Claude Sonnet 5 é mais econômico.

Qual modelo possui maior janela de contexto e velocidade?+

O Claude Fable 5 suporta 1M tokens de contexto contra 1M tokens do Claude Sonnet 5, enquanto Claude Sonnet 5 entrega maior velocidade de geração.

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 Fable 5	Claude Sonnet 5
Official API Model ID (SDK)	claude-fable-5-20260601	claude-sonnet-5-20260601
API Protocol	Anthropic Messages API + AWS Bedrock + Vertex AI	Anthropic Messages API + AWS Bedrock + Vertex AI
Release Date	2026-06	2026-06
Knowledge Cutoff	March 2026	March 2026
Architecture	Mythos-Class Dense Reasoning Architecture	Next-Gen 1M Multimodal Agent Engine
Parameters	Confidential	Confidential
Enterprise Rate Limits (RPM / TPM)	4,000 – 10,000 RPM (Tier 4 + Priority Tier) · 4,000,000 – 10,000,000 TPM	4,000 – 10,000 RPM (Tier 4 + Priority Tier) · 4,000,000 – 10,000,000 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	$1/1M 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 Fable 5 vs Claude Sonnet 5

Troque e Compare Qualquer Modelo

Claude Fable 5

Claude Sonnet 5

Quem vence em cada categoria?

Pontuações de Benchmarks Verificadas

Latência e Tempo de Resposta

Simulador Interativo de Custo de Tokens

Claude Fable 5 · Strengths & Key Advantages

Considerations & Trade-offs

Claude Sonnet 5 · Strengths & Key Advantages

Considerations & Trade-offs

Token Use & Task Economics

Especificações Técnicas

Claude Fable 5 vs Claude Sonnet 5: Respostas Rápidas (FAQ)

Veredito

Perguntas Frequentes (FAQ)

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