Free / Open-sourceRun and build with open AI models locally or in the cloud
#1Future AGI records 121,741 monthly visits with -7.8% month-over-month growth and Freemium, Usage-based pricing. OpenLIT records 6,028 monthly visits with -18.3% growth and Free pricing.

Open-source, OpenTelemetry-native observability and harness engineering for AI agents
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | futureagi.com | openlit.io |
| Pricing Model | Freemium, Usage-based | Free |
| Monthly Visits | 121.74K (121,741) | 6.03K (6,028) |
| MoM Traffic Delta |
| -10.26K (-7.8%) |
| -1.35K (-18.3%) |
| Primary Market & Share | 🇮🇳 India (48%) | 🇺🇸 United States (53.6%) |
|---|
| Direct Visits / mo | 71.47K | 2.38K |
|---|
| User Rating | 4.4 | 4.7 |
|---|
| Supported Platforms | Website | Website |
|---|

Build, simulate, evaluate and monitor self-improving AI agents
Generate personas, scenarios and synthetic datasets to stress-test text and voice agents across many conversation branches before launch.
Combine always-free heuristic metrics, code evaluators and LLM-as-judge scoring, including agentic evaluators that localise errors in RAG and tool calls.
Route traffic across 15+ LLM providers with load balancing, failover and caching, plus 15 built-in rule-based guardrails and ML content moderation.
End-to-end traces, sessions, agent graphs, custom dashboards and alert monitors give real-time visibility into production behaviour.

Open-source, OpenTelemetry-native observability and harness engineering for AI agents
Capture OpenTelemetry traces and metrics for every LLM call, tool invocation, retrieval, and agent step, and filter them by user, session, cost, latency, or custom metadata.
Score production traffic or experiments with LLM-as-a-judge, heuristic checks, or human review so you can measure accuracy, relevance, and safety over time.
Manage and version prompts in Prompt Hub, then deploy, roll back, and update prompts without shipping new application code.
Store and rotate OpenAI, Anthropic, and other LLM API keys outside your codebase with an encrypted, rotating secrets vault.
Free / Open-sourceRun and build with open AI models locally or in the cloud
#1
Enterprise AI infrastructure where software and expert humans work together


Free / Open-sourceOne open-source AI gateway for 100+ LLM providers
#3
Track, evaluate, and ship AI models and agents in one connected environment.

Free / Open-sourceAgent observability, evaluation, and continuous improvement for production AI
AI gateway, observability and guardrails for production LLM apps

Free / Open-sourceEvaluate, monitor, and govern your AI applications in production

Free / Open-sourceOpen-source AI gateway with observability and evals built in

The collaboration layer for AI engineering teams

Standardize LLM evaluation, observability, and red teaming across your whole org

Automated QA, simulation and observability for voice and chat AI agents
Free / Open-sourceOpen-source LLM observability and AI gateway for shipping reliable AI apps
Free / Open-sourceRun and build with open AI models locally or in the cloud
Enterprise AI infrastructure where software and expert humans work together
Track, evaluate, and ship AI models and agents in one connected environment.
Free / Open-sourceAgent observability, evaluation, and continuous improvement for production AI
Free / Open-sourceEvaluate, monitor, and govern your AI applications in production
Free / Open-sourceOpen-source AI gateway with observability and evals built in
The collaboration layer for AI engineering teams
Standardize LLM evaluation, observability, and red teaming across your whole org
Free / Open-sourceOpen-source LLM observability and AI gateway for shipping reliable AI apps