Claude Sonnet 5

Name: Claude Sonnet 5
Price: 2 USD
Author: Anthropic

Claude Sonnetv5Current

Anthropic(ai lab)

Released June 30, 2026

API Docs

OpenTools Scorenormalized /100

9.7

Valuescore / $M

OpenTools Score

Context1M tokens

Price (In / Out)$2.00/M / $10.00/M

CategoryLarge Language Model

Max Output128K tokens

About Claude Sonnet 5

Claude Sonnet 5 is Anthropic next-generation Sonnet model and a drop-in upgrade from Sonnet 4.6. Anthropic docs state that adaptive thinking is on by default, manual extended thinking is removed, sampling parameter overrides return errors, and the model supports a 1M token context window with 128K max output.

Capabilities

textvisionreasoningcodingtool useextended thinkingagents

Input Modalities

textimage

Output Modalities

text

Technical Details

API Identifier: claude-sonnet-5
Category: Large Language Model
Context Window: 1,000,000 tokens
Max Output Tokens: 128,000 tokens

Benchmarks

Performance scores for Claude Sonnet 5 across standard benchmarks.

Artificial Analysis Intelligence IndexArtificial Analysis · Jun 2026

53%

Artificial Analysis Intelligence Index v4.3https://artificialanalysis.ai/models/claude-sonnet-5

38%

Artificial Analysis Intelligence Index v4.3Artificial Analysis

38.3577%

GPQA DiamondArtificial Analysis

91.1111%

SciCodeArtificial Analysis

54.2824%

Terminal-Bench 2.1Artificial Analysis

80.5243%

Pricing

Token pricing for Claude Sonnet 5 API usage.

Input Tokens

$2.00/M

per million tokens

Output Tokens

$10.00/M

per million tokens

Pricing Calculator

Input tokens/month

Output tokens/month

Input cost$2.00

Output cost$5.00

Estimated monthly cost$7.00

Claude API standard pricing is $2 input and $10 output per million tokens. Cache reads are $0.20, 5-minute cache writes $2.50, and 1-hour cache writes $4 per million tokens. Batch API input/output receives a 50% discount. Current official documentation lists these rates without the previously recorded August 31 introductory expiry; provider-specific rates may differ.

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Building reliable, interpretable, and steerable AI systems

8 Tools3 MCP Servers7 ModelsFounded 2021San Francisco, CA

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Claude Fable 5.1Current	1.0M	$10.00 / $50.00	textvisionreasoningcoding+4
Claude Opus 5Current	1.0M	$5.00 / $25.00	textvisionreasoningcoding+3
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Claude Opus 4.7Current	1.0M	$5.00 / $25.00	textvisioncodetool use
Claude Sonnet 4.6Current	1.0M	$3.00 / $15.00	textvisioncodetool use
Claude Opus 4.6Current	1.0M	$5.00 / $25.00	textvisioncodetool use