Anthropic model
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. Best for reasoning-heavy tasks that need more deliberate model control.
Input price$1/1M
Cached input$0.1/1M
Output price$5/1M
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
Frequently asked questions
Claude Haiku 4.5 is a Anthropic model available in Sim. 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.