Login
AnthropicPremiumPremiumActive

Anthropic: Claude Sonnet 5

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,...

Image
Start with this modelBrowse all models
Specification
Model ID
anthropic/claude-sonnet-5
Modality
Text+image+file >text
Context
1M tokens
Input
$2.00/1M
Output
$10.00/1M
Web search
$10000.00/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • Supports vision inputs
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

Accepts Text, Image, File inputs. Returns Text outputs.

Supported parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosity

Related models

Prism ML

PrismML: Ternary Bonsai 2 27B

Bonsai 2 27B is a 27B-parameter reasoning model from PrismML derived from Qwen3.8-27B. It supports coding, mathematics, tool calling, and image understanding with a 262K-token context window. Ternary compression shrinks...

Z.ai

Z.ai: GLM 5.3 FlashX

GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...

Unbiased

Pareto

Pareto is a multimodal composite model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks.