Claude 3 Sonnet

Name: Claude 3 Sonnet
Author: Anthropic

Released

2024-03-04

Last refreshed

2026-10-08

Status

Researched 9d ago

DeprecatedProprietaryCommercial use: conditionalMultimodalCodingRAGAgentsLong contextVisionJSON / Tool use

Claude 3 Sonnet is a legacy integration reference; keep it only while you identify a current replacement.

Anthropic releases · 16 in the last 12 monthsChangelog →

Specifications

Family: Claude 3
Released: 2024-03-04
Context: 200K
Parameters: 70B
Architecture: Decoder Only
Knowledge cutoff: 2023-08
Specialization: general
Openness: Proprietary
License: ProprietaryCommercial use: conditional
Weights: Not released
Code: Unknown
Training: Fine-tuned

Created by

Anthropic

Developing safe and ethical AI systems.

San Francisco, California, United States

Founded 2021

Website

Pricing

Output / 1M

$15.00

Input / 1M

$3.00

Cheapest of 2 routes · AWS Bedrock · cache read $0.300

Providers(2)

AWS Bedrock GCP Vertex AI

View 2 provider routes

About

Claude 3 Sonnet by Anthropic is a versatile large language AI model, balancing intelligence and speed for diverse enterprise use cases. It is part of the Claude 3 family, positioned between the powerful Opus and the faster Haiku models. Sonnet excels in nuanced content creation, accurate summarization, and complex scientific query handling while also showcasing proficiency in non-English languages and coding tasks. Additionally, it enhances vision capabilities with exceptional skills in visual reasoning, such as interpreting charts, graphs, and transcribing text from imperfect images, which benefits industries like retail, logistics, and finance.

Providers(2)

Compare all 2

Compare API pricing across 2 tracked provider routes for input and output tokens, batch, and cached reads when available.

Provider	Input / 1M	Output / 1M	Cache	Route
AWS Bedrock	$3.00	$15.00	read $0.300	Serverless
GCP Vertex AI	$3.00	$15.00	-	Serverless

Deprecated provider routes(1)

Provider	Status	Catalog ID
Anthropic	Deprecated	—

Available via routers & gateways(15)

LiteLLM

Gateway

Open-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.

Free OSSAnthropicGCP Vertex AI

OpenRouter

Hybrid

Unified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.

PassthroughAnthropicGCP Vertex AI

Portkey

Gateway

Production AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.

SubscriptionAnthropicGCP Vertex AI

AIRouter

Router

Commercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.

Passthrough + feeAnthropicGCP Vertex AI

Amazon Bedrock Intelligent Prompt Routing

Router

AWS Bedrock's native intelligent prompt router that routes prompts between Anthropic Claude model tiers (Haiku/Sonnet) based on predicted task complexity, with no extra per-routing charge.

PassthroughAWS Bedrock

Helicone

Gateway

Observability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache 2.0 open-source core with a managed hosted tier for logging and analytics.

SubscriptionAnthropicGCP Vertex AI

Capabilities

VisionMultimodalReasoningStructured OutputsCode Execution

Benchmark peer barsfor Vision

Massive Multi-discipline Multimodal UnderstandingRank 41 of 46

Qwen3.6-Plus

86.0

ByteDance Doubao Seed 2.0 Pro

85.4

Qwen3.5-397B-A17B

85.0

Gemini 3.5 Flash

83.6

Claude 3 Sonnetcurrent

53.1

Benchmark scores(1)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.