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OpenAI model

o3 Mini

o3 Mini is a OpenAI model tracked in Sim. It supports a 200k token context window. Pricing starts at $1.1/1M input tokens and $4.4/1M output tokens. Key capabilities include Tool choice, Structured outputs, Reasoning low, medium, high. Best for reasoning-heavy tasks that need more deliberate model control.

Build with this modelAll OpenAI models
Input price$1.1/1M
Cached input$0.55/1M
Output price$4.4/1M
Context window200k
Max output100k tokens
ProviderOpenAI
UpdatedJun 11, 2026
Best forBest for reasoning-heavy tasks that need more deliberate model control.
TemperatureNot configurable
Reasoning effortlow, medium, high
VerbosityNot supported
Thinking levelsNot supported
Structured outputsSupported
Tool choiceSupported
Computer useNot supported
Deep researchNot supported
Memory supportSupported
Max output tokens100k
OpenAI

o4 Mini

o4 Mini is a OpenAI model tracked in Sim. It supports a 200k token context window. Pricing starts at $1.1/1M input tokens and $4.4/1M output tokens. Key capabilities include Tool choice, Structured outputs, Reasoning low, medium, high.

OpenAI

o3

o3 is a OpenAI model tracked in Sim. It supports a 200k token context window. Pricing starts at $2/1M input tokens and $8/1M output tokens. Key capabilities include Tool choice, Structured outputs, Reasoning low, medium, high.

OpenAI

o3 Pro

o3 Pro is a OpenAI model tracked in Sim. It supports a 200k token context window. Pricing starts at $20/1M input tokens and $80/1M output tokens. Key capabilities include Tool choice, Structured outputs, Max output 100k.

Frequently asked questions

o3 Mini is a OpenAI model available in Sim. o3 Mini is a OpenAI model tracked in Sim. It supports a 200k token context window. Pricing starts at $1.1/1M input tokens and $4.4/1M output tokens. Key capabilities include Tool choice, Structured outputs, Reasoning low, medium, high.

o3 Mini is listed at $1.1/1M input tokens, $0.55/1M cached input tokens, and $4.4/1M output tokens.

o3 Mini supports a context window of 200k tokens in Sim. In an agent, this determines how much conversation history, tool outputs, and retrieved documents the model can hold in a single call.

o3 Mini supports the following capabilities in Sim: Tool choice, Structured outputs, Reasoning low, medium, high, Max output 100k.

Best for reasoning-heavy tasks that need more deliberate model control. When used in a Sim workflow, it can be selected in any Agent block from the model picker.