Pre-optimized Model APIs
Provider 
Founded 2019
Sells To Enterprise
Pricing Model Recurring, Software, Usage-based
Ownership Equity, Venture Capital

Pre-optimized APIs for Kimi, DeepSeek, GLM on Baseten Inference Stack.
Pre-optimized Model APIs provide instant access to the latest AI models (Kimi, DeepSeek, GLM and more) running on the Baseten Inference Stack.
Test new workloads, prototype, or evaluate models optimized to be the fastest in production. Supports OpenAI-compatible endpoints, tool calling, structured outputs. Source: https://www.baseten.co/products/model-apis/ and homepage.
Cumulus Labs

Cumulus Inference Platform, IonRouter
cumuluslabs.io
Tracer

Echo
tracerml.ai
Fireworks AI

Fireworks AI Inference
fireworks.ai
Groq

GroqCloud
groq.com
OneTriangle

OneTriangle — KV-cache inference
onetriangle.ai
| Attribute | Pre-optimized Model APIs | Cumulus Inference Platform, IonRouter | Echo | Fireworks AI Inference | GroqCloud | OneTriangle — KV-cache inference | |
|---|---|---|---|---|---|---|---|
| Provider | |||||||
| Founded | 2019 | 2025 | 2026 | 2022 | 2016 | 2026 | |
| Sells To | Enterprise | B2B | Enterprise | Enterprise | Enterprise | Developer | |
| Pricing Model | Recurring, Software, Usage-based | B2B Subscription | B2B Subscription | Recurring | Recurring | Usage-based | |
| Ownership | Equity, Venture Capital | Venture-backed private company | Private | Venture Capital | Venture Capital | Venture-backed private company |
Provider 
Founded 2019
Sells To Enterprise
Pricing Model Recurring, Software, Usage-based
Ownership Equity, Venture Capital
Provider 
Founded 2025
Sells To B2B
Pricing Model B2B Subscription
Ownership Venture-backed private company
Provider 
Founded 2026
Sells To Enterprise
Pricing Model B2B Subscription
Ownership Private
Provider 
Founded 2022
Sells To Enterprise
Pricing Model Recurring
Ownership Venture Capital
Provider 
Founded 2016
Sells To Enterprise
Pricing Model Recurring
Ownership Venture Capital