Bifrost CLI — Run Claude Code with Any AI Model

What is Bifrost CLI?

Bifrost is an enterprise AI gateway that provides a unified OpenAI-compatible API across 20+ AI providers and 1000+ models. The CLI component lets developers run Claude Code, Codex CLI, Gemini CLI, and other coding agents with any model from any provider. Override each Claude Code model tier independently — run GPT-5 for Sonnet tier, Gemini 2.5 Pro for Opus tier, Groq for Haiku tier.

Answer-Ready: Bifrost CLI is an AI gateway for running Claude Code with any LLM provider. Unified API across 20+ providers (OpenAI, Gemini, Bedrock, Groq, etc.), automatic failover, semantic caching, and per-tier model overrides. Sub-100 microsecond overhead. 3.6k+ GitHub stars.

Best for: Teams wanting model flexibility and provider redundancy for AI coding agents. Works with: Claude Code, Codex CLI, Gemini CLI, Cursor, Roo Code. Setup time: Under 2 minutes.

Core Features

1. Per-Tier Model Override

# Use different models for different Claude Code tiers
tiers:
  opus: "google/gemini-2.5-pro"
  sonnet: "openai/gpt-5"
  haiku: "groq/llama-3.3-70b"

2. 20+ Supported Providers

3. Automatic Failover

# If primary fails, automatically falls back
routes:
  - provider: openai
    priority: 1
  - provider: anthropic
    priority: 2
  - provider: groq
    priority: 3

4. Real-Time Monitoring

# Dashboard at localhost:8080/logs
# Track: requests, latency, tokens, costs, errors

5. Semantic Caching

Cache similar requests to reduce costs and latency. Configurable similarity threshold.

6. Performance

Supported Agents

FAQ

Q: How does it compare to LiteLLM? A: Bifrost claims 50x faster than LiteLLM with sub-100 microsecond overhead. Enterprise features include budget management and governance.

Q: Can I use it for cost optimization? A: Yes, route simple tasks to cheap/fast providers (Groq, Cerebras) and complex tasks to premium models. Budget limits per project.

Q: Is it open source? A: Yes, Apache 2.0. Maxim also offers a managed cloud version.