AI agent skill · by @101-skills

Llm Models

Access Claude, Gemini, Kimi, GLM and 100+ LLMs via inference.sh CLI using OpenRouter. Models: Claude Opus 4.5, Claude Sonnet 4.5, Claude Haiku 4.5, Gemini 3 Pro, Kimi K2, GLM-4.6, Intellect 3. One API for all models with automatic fallback and cost optimization. Use for: AI assistants, code generation, reasoning, agents, chat, content generation. Triggers: claude api, openrouter, llm api, claude sonnet, claude opus, gemini api, kimi, language model, gpt alternative, anthropic api, ai model api, llm access, chat api, claude alternative, openai alternative

Archived 2026-10-23 · Source updated 2026-08-31. Check the original repository for the latest version.

SKILL.md instructions

> **Install the belt CLI skill:** `npx skills add belt-sh/cli`

# LLM Models via OpenRouter

Access 100+ language models via [inference.sh](https://inference.sh) CLI.

![LLM Models via OpenRouter](https://cloud.inference.sh/app/files/u/4mg21r6ta37mpaz6ktzwtt8krr/01kgvftjwhby36trvaj66bwzcf.jpeg)

## Quick Start

> Requires inference.sh CLI (`belt`). [Install instructions](https://raw.githubusercontent.com/inference-sh/skills/refs/heads/main/cli-install.md)

```bash
belt login

# Call Claude Sonnet
belt app run openrouter/claude-sonnet-45 --input '{"prompt": "Explain quantum computing"}'
```


## Available Models

| Model | App ID | Best For |
|-------|--------|----------|
| Claude Opus 4.5 | `openrouter/claude-opus-45` | Complex reasoning, coding |
| Claude Sonnet 4.5 | `openrouter/claude-sonnet-45` | Balanced performance |
| Claude Haiku 4.5 | `openrouter/claude-haiku-45` | Fast, economical |
| Gemini 3 Pro | `openrouter/gemini-3-pro-preview` | Google's latest |
| Kimi K2 Thinking | `openrouter/kimi-k2-thinking` | Multi-step reasoning |
| GLM-4.6 | `openrouter/glm-46` | Open-source, coding |
| Intellect 3 | `openrouter/intellect-3` | General purpose |
| Any Model | `openrouter/any-model` | Auto-selects best option |

## Search LLM Apps

```bash
belt app search "openrouter"
belt app search "claude"
```

## Examples

### Claude Opus (Best Quality)

```bash
belt app run openrouter/claude-opus-45 --input '{
  "prompt": "Write a Python function to detect palindromes with comprehensive tests"
}'
```

### Claude Sonnet (Balanced)

```bash
belt app run openrouter/claude-sonnet-45 --input '{
  "prompt": "Summarize the key concepts of machine learning"
}'
```

### Claude Haiku (Fast & Cheap)

```bash
belt app run openrouter/claude-haiku-45 --input '{
  "prompt": "Translate this to French: Hello, how are you?"
}'
```

### Kimi K2 (Thinking Agent)

```bash
belt app run openrouter/kimi-k2-thinking --input '{
  "prompt": "Plan a step-by-step approach to build a web scraper"
}'
```

### Any Model (Auto-Select)

```bash
# Automatically picks the most cost-effective model
belt app run openrouter/any-model --input '{
  "prompt": "What is the capital of France?"
}'
```

### With System Prompt

```bash
belt app sample openrouter/claude-sonnet-45 --save input.json

# Edit input.json:
# {
#   "system": "You are a helpful coding assistant",
#   "prompt": "How do I read a file in Python?"
# }

belt app run openrouter/claude-sonnet-45 --input input.json
```

## Use Cases

- **Coding**: Generate, review, debug code
- **Writing**: Content, summaries, translations
- **Analysis**: Data interpretation, research
- **Agents**: Build AI-powered workflows
- **Chat**: Conversational interfaces

## Related Skills

```bash
# Full platform skill (all apps)
npx skills add inference-sh/skills@infsh-cli

# Web search (combine with LLMs for RAG)
npx skills add inference-sh/skills@web-search

# Image generation
npx skills add inference-sh/skills@ai-image-generation

# Video generation
npx skills add inference-sh/skills@ai-video-generation
```

Browse all apps: `belt app list`

## Documentation

- [Agents Overview](https://inference.sh/docs/concepts/agents) - Building AI agents
- [Agent SDK](https://inference.sh/docs/api/agent/overview) - Programmatic agent control
- [Building a Research Agent](https://inference.sh/blog/guides/research-agent) - LLM + search integration guide