# Synap

Source: https://freeaidirectories.com/tools/synap

One OpenAI-compatible API for open-weight models, free tier, no card

## About Synap

Synap — one OpenAI-compatible API for open-weight models (Qwen3 Coder, gpt-oss-20b, Gemma 4, Qwen3-VL and more) at cost-level prices, e.g. gpt-oss-20b $0.017/$0.085 per 1M tokens. Change base URL and key in any OpenAI SDK. Free tier: 100K tokens/day on Qwen3 Coder 30B, no card. Zero data retention by default. Pay by card or with USDC over x402 (no account needed — the paying wallet is the account). Base URL https://synap402.com/v1. Docs https://synap402.com/docs. Models and prices https://synap402.com/models.

## Details

- Website: https://synap402.com/?utm_source=freeaidirectories.com&utm_medium=listing&utm_campaign=synap
- Category: [Coding & Development](https://freeaidirectories.com/categories/coding-development)
- Pricing: Freemium
- Added: 2026-11-11

## Frequently asked questions

### What is Synap?
One OpenAI-compatible API for open-weight models, free tier, no card

### Is Synap free?
Synap has a free tier, with paid plans for more features.

### What are the best alternatives to Synap?
Popular alternatives include [Cursor](https://freeaidirectories.com/tools/cursor), [GitHub Copilot](https://freeaidirectories.com/tools/github-copilot) and [INNERLUXES](https://freeaidirectories.com/tools/innerluxes). [See all 32 Synap alternatives](https://freeaidirectories.com/tools/synap/alternatives).

### What category is Synap in?
Synap is in the [Coding & Development](https://freeaidirectories.com/categories/coding-development) category.

## Synap alternatives

- [Cursor](https://freeaidirectories.com/tools/cursor): The AI-first code editor built for speed (Freemium · Coding & Development)
- [GitHub Copilot](https://freeaidirectories.com/tools/github-copilot): AI pair programmer for real-time code suggestions (Freemium · Coding & Development)
- [INNERLUXES](https://freeaidirectories.com/tools/innerluxes): INNERLUXES is a custom software development company specializing in SaaS platforms (Freemium · Coding & Development)
- [SayCraft](https://freeaidirectories.com/tools/saycraft): Turn your product meeting into a working prototype. (Freemium · Coding & Development)
- [FastGPU](https://freeaidirectories.com/tools/fastgpu): Live cloud GPU prices and quotes for GPU clusters, free. (Freemium · Coding & Development)
- [8080AI](https://freeaidirectories.com/tools/8080ai): An AI engineering team that builds production-ready software, not just code. (Freemium · Coding & Development)

[See all 32 Synap alternatives](https://freeaidirectories.com/tools/synap/alternatives)

Updated: 2026-11-11