AI API Router Directory

Cerebras Inference serves open-weight models on wafer-scale CS-4 hardware — gpt-oss-120b at ~3,000 tokens/s for $0.35/$0.75 per 1M in/out, Qwen 3.8 27B at $0.99/$1.49. The self-serve developer tier is pay-as-you-go with $5 of free credit to start; the enterprise tier (production capacity, priority limits, fine-tuning) is quote-based. Also available via AWS Marketplace, OpenRouter, Hugging Face and Vercel.

Self-serve developer tier includes $5 free credit to start (pricing page, checked 2026-09-16). Replaces an older $30 figure that no longer matches the official page.

UnoRouter is a unified AI API platform providing access to hundreds of models through a single intelligent endpoint. It is fully OpenAI-compatible and supports various clients including coding agents, character chat, and CLI tools. Features both pay-as-you-go and subscription plans with credit bonuses.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.

Volcengine is ByteDance's enterprise cloud platform. Its Ark (Huoshan Fangzhou) platform provides access to the Doubao (Doubao) model family and other high-performance LLMs. Supports OpenAI-compatible API calls and various billing plans including token-based monthly packages.

No public free-tier information found (researched 2026-08-29).

The Volcengine Ark Agent Plan is a subscription-based billing option for the Ark platform, offering monthly token quotas for Doubao and other models. It is designed for developers requiring predictable monthly costs and higher quotas than standard PAYG.

No public free-tier information found in the source reference; treat free-tier availability as unverified rather than confirmed absent.