Claude Sonnet 5
by Anthropic
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Quick Facts
Provider
Anthropic
Model ID
anthropic/claude-sonnet-5
Modality
Text and Image and File to Text
Tier
Premium
Last Updated
2026-07-22
Released
2026-06-30
Context Length
1000K tokens
Tokenizer
Claude
Input Price
$2.00/M
Output Price
$10.00/M
When To Use Claude Sonnet 5
Best for
- Coding, debugging, and implementation planning
- Reasoning-heavy questions and step-by-step analysis
- Research, summarization, and document work
- Image understanding, screenshots, and visual questions
- Comparing Anthropic responses against other leading AI models
Not ideal for
- High-volume casual chats where you want to conserve premium credits
- Native image generation workflows
- Voice, speech, or audio transcription workflows
Input & Output
Accepts
Generates
Pricing
All prices are per 1 million tokens
Input
$2.00/M
Output
$10.00/M
Cache Read
$0.20/M
Cache Write
$2.50/M
Web Search
$10000.00/M
Capabilities
- Natural language understanding and generation
- Image analysis and understanding
- Advanced reasoning and problem-solving
- Long context window for extended conversations
Example Prompts
Review this TypeScript function for edge cases, bugs, and simpler implementation options.
Turn this product requirement into a small implementation plan with tests.
Solve this problem step by step, then summarize the final answer in one paragraph.
Summarize these notes into key findings, risks, and recommended next steps.
Analyze this screenshot and explain what is happening, including any UI issues.
Supported Parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosityCompare and Use Claude Sonnet 5
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Frequently Asked Questions
Try Claude Sonnet 5 In Related Workflows
Model pages work best when they connect to real tasks. Use these bots and utilities to test Claude Sonnet 5 against coding, research, and model-selection workflows.
Use Claude Sonnet 5 on RyddleAI
Access Claude Sonnet 5 with a RyddleAI subscription.
Compare Claude Sonnet 5 With Alternatives
Use these nearby models to test whether Claude Sonnet 5 is the right choice for your prompt, budget, and model family preference.
| Alternative | Provider | Tier | Why compare | Page |
|---|---|---|---|---|
| Claude Fable 5 | Anthropic | Premium | Another Anthropic model to compare within the same provider family | View model |
| Claude Opus 4.8 (Fast) | Anthropic | Premium | Another Anthropic model to compare within the same provider family | View model |
| Gemini 3.6 Flash | Premium | Same tier alternative from another provider | View model | |
| Gemini 3.5 Flash Lite | Premium | Same tier alternative from another provider | View model |