Anthropic: Claude 3.5 Sonnet

AnthropicID: anthropic/claude-3.5-sonnet

New Claude 3.5 Sonnet delivers better-than-Opus capabilities, faster-than-Sonnet speeds, at the same Sonnet prices. Sonnet is particularly good at: - Coding: Scores ~49% on SWE-Bench Verified, higher than the last best score, and without any fancy prompt scaffolding - Data science: Augments human data science expertise; navigates unstructured data while using multiple tools for insights - Visual processing: excelling at interpreting charts, graphs, and images, accurately transcribing text to derive insights beyond just the text alone - Agentic tasks: exceptional tool use, making it great at agentic tasks (i.e. complex, multi-step problem solving tasks that require engaging with other systems) #multimodal

Pricing per 1M Tokens

Input (Prompt)$6.00
Output (Completion)$30
Cache Read$0.60
Cache Write$7.50
ImageN/A

Specifications

Context Length200K
Max Output Tokens8K
Input ModalitiesText + Image + File
Output ModalitiesText
TokenizerClaude
Instruct TypeN/A
Top Provider Context200K
Top Provider Max Output8K
ModeratedYes

Compare this model

See how Anthropic: Claude 3.5 Sonnet stacks up against other models.

vs Anthropic: Claude Sonnet 4.6vs Anthropic: Claude Opus 4.6vs Anthropic: Claude Opus 4.5vs Anthropic: Claude Haiku 4.5vs Anthropic: Claude Sonnet 4.5

More from Anthropic

Anthropic: Claude Sonnet 4.6
Input$3.00
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Anthropic: Claude Opus 4.6
Input$5.00
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Anthropic: Claude Opus 4.5
Input$5.00
Context200K
Anthropic: Claude Haiku 4.5
Input$1.00
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Anthropic: Claude Sonnet 4.5
Input$3.00
Context1M

Last updated: March 23, 2026

First tracked: March 23, 2026