--- title: "ax vs openlit" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/necmttn-ax-vs-openlit-openlit" tools: ["necmttn-ax", "openlit-openlit"] --- # ax vs openlit *GraphCanon updated Sep 20, 2026* ## Verdict Pick ax if ax is an agent-first toolset for managing observability and memory aimed at AI coding agents like Claude Code and Codex, with a focus on local-first strong typing in TypeScript; pick openlit if openLIT is an open-source observability and evaluation platform for AI and coding agents, leveraging OpenTelemetry for tracking performance and costs. [ax](https://github.com/Necmttn/ax) reports 107 GitHub stars, 13 forks, and 35 open issues, last pushed Sep 8, 2026. [openlit](https://docs.openlit.io) has 2.8k stars, 390 forks, and 77 open issues, last pushed Sep 17, 2026. Figures are from public GitHub metadata via [ax's repository](https://github.com/Necmttn/ax) and [openlit's repository](https://github.com/openlit/openlit). | | [ax](/tools/necmttn-ax.md) | [openlit](/tools/openlit-openlit.md) | | --- | --- | --- | | Tagline | Agent experience layer with observability and memory for AI coding agents. | Open-source observability & evaluation platform for AI agents and coding agents | | Stars | 107 | 2,770 | | Forks | 13 | 390 | | Open issues | 35 | 77 | | Language | TypeScript | TypeScript | | Adopt for | ax is an agent-first toolset for managing observability and memory aimed at AI coding agents like Claude Code and Codex, with a focus on local-first strong typing in TypeScript. | OpenLIT is an open-source observability and evaluation platform for AI and coding agents, leveraging OpenTelemetry for tracking performance and costs. | | Persona | - | - | | Runtime | - | - | | License | AGPL-3.0 | Apache-2.0 | | Categories | AI Agents, Evaluation & Observability | Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ax](/tools/necmttn-ax.md) | [openlit](/tools/openlit-openlit.md) | | --- | --- | --- | | Days since push | 1d | 0d | | Open issues (now) | 35 | 77 | | Stars delta | +14 (30d) | +106 (30d) | | Open issues delta | +1 (30d) | +29 (30d) | | Owner type | User | Organization | | Full report | [trust report](/tools/necmttn-ax/trust.md) | [trust report](/tools/openlit-openlit/trust.md) | ## Decision facts: ax - **Adopt for:** ax is an agent-first toolset for managing observability and memory aimed at AI coding agents like Claude Code and Codex, with a focus on local-first strong typing in TypeScript. ## Decision facts: openlit - **Pricing:** freemium - OpenLIT is free and open-source under the Apache License 2.0. - **Requirements:** Installation is available via pip for Python and npm for TypeScript. - **Adopt for:** OpenLIT is an open-source observability and evaluation platform for AI and coding agents, leveraging OpenTelemetry for tracking performance and costs. - **License detail:** Apache-2.0 ## Choose when ### Choose ax if… - License: ax is AGPL-3.0, openlit is Apache-2.0. - Tags unique to ax: agent-memory, agent-observability, ai-agents, bun. - Also covers AI Agents. - For projects requiring detailed observability and memory management specific to AI-driven coding agents ### Choose openlit if… - License: openlit is Apache-2.0, ax is AGPL-3.0. - Pricing: OpenLIT is free and open-source under the Apache License 2.0.. - Requirements: Installation is available via pip for Python and npm for TypeScript.. - Tags unique to openlit: ai-engineering, ai-evaluation, ai-observability, ai-observability-platform. - openlit ships Docker support for self-hosted deployment. - When you need to track and evaluate the performance and costs of AI and coding agents using OpenTelemetry. ## When NOT to use ax - Avoid if seeking a tool agnostic to AI-specific functionalities like those for Claude Code and Codex - Not recommended when looking for solutions outside local-first approaches in TypeScript environment ## When NOT to use openlit - If your project does not require observability and evaluation features for AI and coding agents. - When you prefer proprietary tools over open-source solutions. - If your project does not involve AI applications or does not need detailed cost tracking across multiple dimensions. ## Common questions ### What is the difference between ax and openlit? ax: Agent experience layer with observability and memory for AI coding agents.. openlit: Open-source observability & evaluation platform for AI agents and coding agents. See the comparison table for live GitHub stats and shared categories. ### When should I choose ax over openlit? Choose ax over openlit when License: ax is AGPL-3.0, openlit is Apache-2.0; Tags unique to ax: agent-memory, agent-observability, ai-agents, bun; Also covers AI Agents; For projects requiring detailed observability and memory management specific to AI-driven coding agents. ### When should I choose openlit over ax? Choose openlit over ax when License: openlit is Apache-2.0, ax is AGPL-3.0; Pricing: OpenLIT is free and open-source under the Apache License 2.0.; Requirements: Installation is available via pip for Python and npm for TypeScript.; Tags unique to openlit: ai-engineering, ai-evaluation, ai-observability, ai-observability-platform; openlit ships Docker support for self-hosted deployment; When you need to track and evaluate the performance and costs of AI and coding agents using OpenTelemetry. ### When should I avoid ax? Avoid if seeking a tool agnostic to AI-specific functionalities like those for Claude Code and Codex Not recommended when looking for solutions outside local-first approaches in TypeScript environment ### When should I avoid openlit? If your project does not require observability and evaluation features for AI and coding agents. When you prefer proprietary tools over open-source solutions. If your project does not involve AI applications or does not need detailed cost tracking across multiple dimensions. ### Is ax or openlit more popular on GitHub? openlit has more GitHub stars (2,770 vs 107). Stars measure visibility, not whether either tool fits your constraints. ### Are ax and openlit open source? Yes - both are open-source projects on GitHub (ax: AGPL-3.0, openlit: Apache-2.0). ### Where can I find alternatives to ax or openlit? GraphCanon lists graph-backed alternatives at [ax alternatives](/tools/necmttn-ax/alternatives) and [openlit alternatives](/tools/openlit-openlit/alternatives) ([ax markdown twin](/tools/necmttn-ax/alternatives.md), [openlit markdown twin](/tools/openlit-openlit/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/necmttn-ax-vs-openlit-openlit.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ax or openlit? ax: Very active. openlit: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for ax and openlit? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ax trust report](/tools/necmttn-ax/trust); [openlit trust report](/tools/openlit-openlit/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=necmttn-ax`](/api/graphcanon/graph?tool=necmttn-ax) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_