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Back to Anthropic
Anthropic

Anthropic model

Claude Opus 4.5

Claude Opus 4.5 is a Anthropic model tracked in Sim. It supports a 200k token context window. Pricing starts at $5/1M input tokens and $25/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs. Best for reasoning-heavy tasks that need more deliberate model control.

Build with this modelAll Anthropic models
Input price$5/1M
Cached input$0.5/1M
Output price$25/1M
Context window200k
Max output64k tokens
ProviderAnthropic
UpdatedApr 1, 2026
Best forBest for reasoning-heavy tasks that need more deliberate model control.
Temperature0 to 1
Reasoning effortNot supported
VerbosityNot supported
Thinking levelslow, medium, high (default: high)
Structured outputsSupported (native)
Tool choiceSupported
Computer useNot supported
Deep researchNot supported
Memory supportSupported
Max output tokens64k
Anthropic
Anthropic

Claude Sonnet 4.5

Claude Sonnet 4.5 is a Anthropic model tracked in Sim. It supports a 1M token context window. Pricing starts at $3/1M input tokens and $15/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.

Anthropic
Anthropic

Claude Haiku 4.5

Claude Haiku 4.5 is a Anthropic model tracked in Sim. It supports a 200k token context window. Pricing starts at $1/1M input tokens and $5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.

Anthropic
Anthropic

Claude Opus 4.1

Claude Opus 4.1 is a Anthropic model tracked in Sim. It supports a 200k token context window. Pricing starts at $15/1M input tokens and $75/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.

Frequently asked questions

Claude Opus 4.5 is a Anthropic model available in Sim. Claude Opus 4.5 is a Anthropic model tracked in Sim. It supports a 200k token context window. Pricing starts at $5/1M input tokens and $25/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.