Anthropic model
Claude Opus 4.5
Model ID: 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.
Input price
$5/1M
Cached input
$0.5/1M
Output price
$25/1M
Context window
200k
Pricing and limits
Pricing below is generated directly from the provider registry in Sim. All amounts are listed per one million tokens.
Input price
$5/1M
Cached input
$0.5/1M
Output price
$25/1M
Updated
Apr 1, 2026
Context window
200k tokens
Max output
64k tokens
Provider
Anthropic
Best for
Best for reasoning-heavy tasks that need more deliberate model control.
Capabilities
These capability flags are generated from the provider and model definitions tracked in Sim.
Temperature
0 to 1
Reasoning effort
Not supported
Verbosity
Not supported
Thinking levels
low, medium, high (default: high)
Structured outputs
Supported
Tool choice
Supported
Computer use
Not supported
Deep research
Not supported
Memory support
Supported
Max output tokens
64k
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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.