14 LLM Gateways & APIs AI tools
AI services in the LLM Gateways & APIs field. Click a name to see its description, pricing and alternatives.
LLM Gateways & APIs: free vs paid at a glance
10 tools with official pricing data. 7 have a free plan, 2 offer a Korean UI. Cheapest paid plan: Vercel AI Gateway ($5/mo).
| Tool | Free | Cheapest monthly | Korean | Where |
|---|---|---|---|---|
| Cerebras Inference | Yes | — | No | — |
| Cloudflare AI Gateway | Yes | — | Yes | — |
| Google Gemini API | Yes | — | Yes | API, Web |
| LiteLLM | No | — | No | API, Mac, Linux |
| Mistral API | Yes | — | No | Web, CLI, API |
| OpenRouter | Yes | — | No | API, Web |
| PortKey | Yes | $49/mo | No | — |
| Replicate | No | — | No | — |
| Together AI | No | — | No | — |
| Vercel AI Gateway | Yes | $5/mo | No | API, CLI |
From each tool's official pricing page (checked by 2026-10-14). '—' means not stated. Prices change, so check before paying.
How to choose
- Try a tool with a free plan first and check the limit before paying.
- If you need Korean menus, filter by the Korean column.
- Annual plans are often cheaper; the table shows monthly prices.
Anthropic API
APIs for Claude language models
Read the guide →Free + paidCerebras Inference
Ultra-fast LLM inference API powered by Cerebras hardware
Read the guide →Free + paidCloudflare AI Gateway
Caching, rate limiting, retries, and fallback across AI providers
Read the guide →Free + paidGoogle Gemini API
Direct API access to Gemini models via AI Studio
Read the guide →Free + paidGroqCloud
Ultra-low-latency LPU inference API for open models
Read the guide →FreeLiteLLM
Unified API gateway for 100+ LLM providers
Read the guide →Free + paidMistral API
La Plateforme — API access to Mistral models
Read the guide →Free + paidOpenRouter
Unified interface for frontier AI models
Read the guide →Free + paidPortKey
AI gateway with observability and fallback routing
Read the guide →Free + paidReplicate
Run open-source ML models via API
Read the guide →Free + paidTogether AI
Cloud platform for running open-source models
Read the guide →Free + paidVercel AI Gateway
Gateway to access hundreds of models with zero token markup, including BYOK
Read the guide →Free + paidMartian
Intelligent LLM router for cost and performance optimization
View on the 3D map →Free + paidOpenAI API
APIs for GPT models, DALL-E, and Whisper
View on the 3D map →