PandaProbe vs Toki: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of PandaProbe and Toki — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
PandaProbe
PandaProbe
Open-source, self-hostable agent engineering platform that provides traces, evaluations, and metrics to debug and improve AI agents.
Key features
- Distributed Tracing: Captures step-by-step execution traces of agent workflows, including prompts, model responses, tool calls, and intermediate state to help engineers pinpoint failure modes and reasoning paths.
- Evaluation Pipelines: Runs automated, configurable evals (scenario-based tests, rubric scoring, and behaviour checks) against agents to measure correctness, safety, and task performance over time.
- Metrics & Dashboards: Exposes aggregated metrics, time-series performance data, and customizable dashboards to monitor agent latency, success rates, error patterns, and regressions in production.
- Self-Hostable Architecture: Provides a deployable stack that teams can host on their infrastructure to preserve data privacy and compliance, with components designed to scale for multi-agent environments.
- Instrumentation SDKs & Integrations: Offers SDKs and integration hooks to instrument popular agent frameworks and LLM runtimes so traces and metrics can be captured with minimal code changes.
- Trace Visualization & Search: Interactive trace viewer and searchable trace logs that allow engineers to filter by run, agent, prompt, or error to accelerate debugging and root-cause analysis.
- Versioning & Comparison: Tracks agent versions, evaluation histories, and metric baselines to compare changes across prompt tweaks, model updates, or policy changes and identify regressions.
- Alerting & Export: Supports exportable metrics and alerting hooks (webhooks/metrics endpoints) so teams can connect PandaProbe monitoring to incident workflows and observability stacks.
- Execution tracing of AI agent workflows to inspect step-by-step behavior
- Evaluation tooling for systematically measuring agent performance and behaviors
- Metrics collection and dashboards for monitoring agent health and reliability
- Self-hostable deployment model for on-premises or private cloud use
- Architected for scale to support production and large-scale experimentation
- Open-source codebase enabling customization and integration
- Support for debugging and improving agent policies and pipelines
Best for
- Root-Cause Debugging of Agent Failures: Use step-level traces to identify where an agent’s reasoning or tool call chain diverged, enabling faster bug fixes and prompt adjustments.
- Continuous Evaluation of Agent Behavior: Automate scenario-based tests and rubric scoring to detect regressions after model updates or prompt changes and gate releases based on eval results.
- Production Monitoring at Scale: Monitor latency, success rate, and error distributions across many deployed agents to prioritize fixes and capacity planning.
- Privacy-Preserving Self-Hosting: Deploy PandaProbe on private infrastructure to keep sensitive conversation data in-house while still gaining observability into agent behavior.
- Benchmarking and Model Comparison: Compare metrics and eval outcomes across different LLMs, prompts, or tool integrations to select the best configuration for a task.
- Regression Testing for Prompt Engineering: Track performance changes tied to prompt revisions, enabling safe iterative prompt engineering and reproducible experiments.
- Debugging and tracing multi-step agent executions to find failure points
- Evaluating different agent versions or policies with automated evals
- Monitoring agent performance and operational metrics in production
- Running reproducible experiments and benchmarks for agent research
- Self-hosted deployments for teams requiring data locality or compliance
Toki
Orion Arm
AI executive assistant that reaches out to attendees to book meetings, architects your day, and tracks tasks across synced calendars.
Key features
- Attendee Coordination: Toki contacts meeting attendees itself to find a time that works for everyone, removing the availability back-and-forth entirely.
- Scheduling Links: Calendly-style booking links for cases where a shareable link is simpler than having Toki negotiate a time.
- Proactive Day Architecture: Toki plans the day ahead of time, balancing protected deep-work blocks against urgent demands rather than just recording events.
- Natural Multimodal Input: Voice notes, screenshots, quick texts, and half-formed requests are all accepted and connected into the right events, reminders, and tasks.
- Personal Preference Memory: Toki learns how you work, how you plan, and what you prefer, improving its scheduling decisions the longer you use it.
- Triggers: Tell Toki a condition to watch — a price, a deadline, a release date — and it monitors and pings you when the condition is met.
- Conflict Resolution: Smart scheduling detects and resolves calendar conflicts across synced calendars instead of double-booking.
- Call Me Alerts: For things you truly cannot miss, Toki escalates from a notification to an actual phone call.
Best for
- External Meeting Booking: Getting a meeting with several outside attendees on the calendar without a chain of availability emails.
- Deep Work Protection: Having an assistant proactively reserve focus blocks and defend them against incoming requests.
- Multi-Calendar Consolidation: Keeping personal iCloud, work Google, and Outlook calendars coherent in one view without manual duplication.
- Capture on the Move: Sending a voice note or a screenshot of a flyer and having it become a dated event or reminder.
- Deadline Monitoring: Setting a trigger on a stock price, a product release, or an application deadline and being pinged when it fires.
- Critical Reminder Escalation: Receiving a phone call rather than a dismissable notification for appointments that cannot be missed.