o1-mini model is not currently supported since goose uses to

Error message

o1-mini model is not currently supported since goose uses tool calling and o1-mini does not support it. Please use o1 or o3 models instead.

What it means

Error "o1-mini model is not currently supported since goose uses tool calling and o1-mini does not support it. Please use o1 or o3 models instead." thrown in aaif-goose/goose.

Source

Thrown at crates/goose-provider-types/src/formats/openai.rs:1651

        for_streaming,
        format_options,
    )
}

#[allow(clippy::too_many_arguments)]
pub fn create_request_for_model_with_options(
    model_config: &ModelConfig,
    wire_model_name: &str,
    capability_model_name: &str,
    system: &str,
    messages: &[Message],
    tools: &[Tool],
    image_format: &ImageFormat,
    for_streaming: bool,
    format_options: OpenAiFormatOptions,
) -> anyhow::Result<Value, Error> {
    if model_config.model_name.starts_with("o1-mini") {
        return Err(anyhow!(
            "o1-mini model is not currently supported since goose uses tool calling and o1-mini does not support it. Please use o1 or o3 models instead."
        ));
    }

    let (model_name, legacy_reasoning_effort) = extract_reasoning_effort(capability_model_name);
    let is_reasoning_model = is_openai_responses_model(&model_name);
    let supports_xai_effort = supports_xai_reasoning_effort(&model_name);
    let reasoning_effort = if is_reasoning_model {
        model_config
            .thinking_effort()
            .map_or(legacy_reasoning_effort, |effort| {
                openai_reasoning_effort_for_thinking(&model_name, effort)
            })
    } else if supports_xai_effort {
        model_config
            .thinking_effort()
            .and_then(|effort| xai_reasoning_effort_for_thinking(&model_name, effort))
    } else {

View on GitHub (pinned to 3810898a74)

When it happens

Trigger: Thrown at crates/goose-provider-types/src/formats/openai.rs:1651 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of aaif-goose/goose@3810898a74 (2026-08-16). Data as JSON: /api/errors/56bdbed9bb78186e. Report an issue: GitHub.