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Claude Sonnet 5

FrontierVisionTools

Anthropic · Released June 2026

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,...

It belongs to Anthropic's Claude family: Opus is the deep-capability tier, Sonnet balances quality and speed, Haiku is the light tier, and Fast servings trade some depth for latency.

Facts and pricing

Provider
Anthropic
Context window
1M tokens
Input price
22.0 credits / 1M tokens ($2.00 raw)
Output price
110 credits / 1M tokens ($10.00 raw)
Vision (image input)
Yes
Tool calling
Yes
Extended reasoning
No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.

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What Claude Sonnet 5 is best for

Example prompts

Prompts that suit a frontier model like Claude Sonnet 5:

Anthropic family

ModelContextInput cr/MOutput cr/MReleased
Claude Fable 5.1 (batch)1M55.0275September 2026
Claude Fable 5.11M110550September 2026
Claude Opus 51M55.0275July 2026
Claude Opus 5 (batch)1M27.5138July 2026
Claude Sonnet 51M22.0110June 2026
Claude Sonnet 5 (batch)1M11.055.0June 2026
Claude Fable 51M110550June 2026
Claude Fable 5 (batch)1M55.0275June 2026
Claude Opus 4.81M55.0275May 2026
Claude Opus 4.8 (batch)1M27.5138May 2026

All 27 Anthropic models

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Frequently asked questions

What is Claude Sonnet 5?
Claude Sonnet 5 is an AI model 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,...
How much does Claude Sonnet 5 cost on Zeplik?
Input tokens cost 22.0 credits per million and output tokens 110 credits per million (1 credit = $0.10; the raw provider rates are $2.00 and $10.00 per million). New accounts start with free credits.
How long can a conversation with Claude Sonnet 5 be?
Claude Sonnet 5 has a 1M-token context window (1,000,000 tokens), which covers the conversation plus any documents you attach.
Does Claude Sonnet 5 support images and tools?
Claude Sonnet 5 accepts image input and supports tool calling.

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More you can do with Claude Sonnet 5

Claude Sonnet 5 - Anthropic AI Model | Zeplik Chat