OpenTelemetryConstants.cs

namespace OpenAI.Telemetry;

internal class OpenTelemetryConstants
{
    // OpenTelemetry GenAI semantic conventions.

    // Default (v1.27.0): https://github.com/open-telemetry/semantic-conventions/tree/v1.27.0/docs/gen-ai

    // Set OTEL_SEMCONV_STABILITY_OPT_IN=gen_ai_latest_experimental to use the latest conventions
    // (https://github.com/open-telemetry/semantic-conventions/tree/main/docs/gen-ai).

    public const string ErrorTypeKey = "error.type";
    public const string ServerAddressKey = "server.address";
    public const string ServerPortKey = "server.port";

    public const string GenAiClientOperationDurationMetricName = "gen_ai.client.operation.duration";
    public const string GenAiClientTokenUsageMetricName = "gen_ai.client.token.usage";

    public const string GenAiOperationNameKey = "gen_ai.operation.name";

    public const string GenAiRequestMaxTokensKey = "gen_ai.request.max_tokens";
    public const string GenAiRequestModelKey = "gen_ai.request.model";
    public const string GenAiRequestTemperatureKey = "gen_ai.request.temperature";
    public const string GenAiRequestTopPKey = "gen_ai.request.top_p";

    public const string GenAiResponseIdKey = "gen_ai.response.id";
    public const string GenAiResponseFinishReasonKey = "gen_ai.response.finish_reasons";
    public const string GenAiResponseModelKey = "gen_ai.response.model";

    // v1.27.0: gen_ai.system
    public const string GenAiSystemKey = "gen_ai.system";
    public const string GenAiSystemValue = "openai";

    // Latest (replaces gen_ai.system): gen_ai.provider.name
    public const string GenAiProviderNameKey = "gen_ai.provider.name";

    public const string GenAiTokenTypeKey = "gen_ai.token.type";

    public const string GenAiUsageInputTokensKey = "gen_ai.usage.input_tokens";
    public const string GenAiUsageOutputTokensKey = "gen_ai.usage.output_tokens";
}