Reference
Remy Reference/models/Claude 4.5 Haiku
A

Claude 4.5 Haiku

Claude 4.5 Haiku, a language model from Anthropic.
modelOverride: { model: "claude-4-5-haiku" }
Anthropic·Released October 2025
Pricing
Input
$1.00 / 1M
Output
$5.00 / 1M
Cached input
$0.100 / 1M
Cached input
$1.25 / 1M
Cached input
$2.00 / 1M
Specifications
Context window
200,000 tokens
Max output
64,000 tokens
Released
October 2025
Model string
claude-haiku-4-5-20251001
Capabilities
Vision
Parameters
Model options, passed in modelOverride.config.
ParameterTypeDefaultRange / options
reasoning
When enabled, the model will explain its thought process step-by-step before providing a final answer. This can help users understand how the model arrived at its conclusions, but may result in longer responses.
Selectfalsefalsetrue
reasoningSize
You can allocate a larger thinking budget to support more thorough reasoning. Must be less than max. response size
Number1024–32000
toolsTools
mcpServersMCP servers
Use this model
await mindstudio.generateText({
  message: "...",
  modelOverride: {
    model: "claude-4-5-haiku",
    config: {
      reasoning: "false",
    },
  },
});