AI · alternatives · 2026

24 alternatives to OverseerAI vision-1

open-source LLM with safety & governance API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Overseer AI▲129

   Handle AI governance with a simple, custom-policy-driven API

   2025 · overseerai.app · its alternatives →

2. 2
   Helicone AI▲803

   Open-source LLM Observability for Developers

   2024 · helicone.ai · its alternatives →

3. 3
   AskCodi▲230

   Custom LLMs, without training. Use via openai compatible api

   Nov 2025 · askcodi.com · its alternatives →

4. 4
   Evidently AI▲382

   Open-source evaluations and observability for LLM apps

   2024 · evidentlyai.com · its alternatives →

5. 5
   LLMonitor▲128

   Open source monitoring and production toolkit for AI apps

   2023 · its alternatives →

6. 6
   Governance AI▲268

   AI enforces API Industry-Standards

   2024 · apigovernance.dev · its alternatives →

7. 7
   LLM Gateway▲296

   Use any AI model with just one API

   2025 · llmgateway.io · its alternatives →

8. 8
   Airtrain.ai LLM Playground▲246

   Vibe-check many open-source and proprietary LLMs at once

   2024 · its alternatives →

9. 9
   GPT Router▲211

   Avoid OpenAI downtimes - one API for 30+ LLMs

   2023 · github.com · its alternatives →

10. 10
    Helicone.ai▲208

    The open-source AI gateway for AI-native startups

    Nov 2025 · helicone.ai · its alternatives →

11. 11
    LLM Ops Toolkit by Lamatic.ai▲96

    Aggregate uptime monitoring across OpenAI, Claude, and more

    Apr 2026 · tools.lamatic.ai · its alternatives →

12. 12
    Gradient▲153

    Developer API for building private LLMs that you own

    2023 · its alternatives →

13. 13
    KushoAI▲153

    Open-source AI tester that lives in your CLI

    2025 · kusho.ai · its alternatives →

14. 14
    Open Source AI Gateway▲11

    Talk to multiple LLMs thru a unified API

    2025 · ai-gateway.dev · its alternatives →

15. 15
    Taylor AI▲118

    Fine-tune open source LLMs in minutes

    2023 · its alternatives →

16. 16
    Cargoship▲117

    Curated open-source AI models for web developers

    2023 · its alternatives →

17. 17
    Nebius AI Studio Fine-Tuning▲44

    Transform generic AI models into specialized solutions

    2025 · tokenfactory.nebius.com · its alternatives →

18. 18OS
    Open-Source tool for automatic MCP API on top of your database for LLMs▲5

    We’re building an open-source tool that makes it easy to expose secure, LLM-optimized APIs on top of your structured data—without manually designing endpoints or worrying about compliance. AI agents and LLM-powered applications need structured access to data, but traditional APIs and databases weren’t built with AI workloads in mind. Our tool automatically generates APIs that: - Filter out PII & sensitive data to comply with GDPR, CPRA, SOC 2, and other regulations. - Provide traceability & auditing, so AI apps aren’t black boxes, and security teams stay in control. - Optimize for AI…

    2025 · github.com · its alternatives →

19. 19
    Hicap▲14

    One API for every model. Faster, cheaper inference.

    Feb 2026 · hicap.ai · its alternatives →

20. 20TO
    TensorZero – open-source data and learning flywheel for LLMs▲49

    Hi HN! We're Gabriel & Viraj, and we're excited to open source TensorZero. To be a little cheeky, TensorZero is an open-source platform that helps LLM applications graduate from API wrappers into defensible AI products. 1. Integrate our model gateway 2. Send metrics or feedback 3. Unlock compounding improvements in quality, cost, and latency It enables a data & learning flywheel for LLMs by unifying: • Inference: one API for all LLMs, with <1ms P99 overhead • Observability: inference & feedback → your database • Optimization: better prompts, models, inference strategies • Experimentation:…

    2024 · github.com · its alternatives →

21. 21
    Promptr for AI▲32

    The context manager and skills library for marketing teams

    Apr 2026 · promptr.ai · its alternatives →

22. 22
    Scan your AI agents for dangerous capabilities▲44

    Open-source security gateway & static scanner for AI agents. Enforce role-based access control (RBAC), human-in-the-loop approvals, segregation of duties, and cryptographically signed, offline-verifiable audit logs. - makerchecker/MakerChecker

    Jul 2026 · github.com · its alternatives →

23. 23
    OverseeX▲5

    Stop Testing AI Agents Manually Ship AI agents confidently.

    Jan 2026 · overseex.com · its alternatives →

24. 24OS
    Open-source AI studio – Core infrastructure stack for LLM Apps▲29

    2024 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →