Bifrost vs Loops
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Bifrost compared with Loops
| Detail | 
Bifrost | 
Loops |
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| What it does | The fastest open-source AI gateway for LLMs, MCP and agents
| Python SDK for LoRA fine-tuning with supervised fine-tuning and reinforcement learning
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
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| Pricing | Bifrost OSS is free forever. Bifrost Enterprise has custom pricing; contact sales for a quote.
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| Key features | - Drop-in replacement for any AI SDK with support for OpenAI, Anthropic, and LiteLLM
- Model catalog providing access to 1000+ AI models from 8+ providers
- Automatic provider failover for 99.99% uptime
- Budget management and rate limiting across virtual keys and teams
- Built-in OpenTelemetry observability
- MCP gateway for centralized tool connections and governance
- Real-time guardrails for blocking unsafe model outputs
- Virtual key management with independent budgets and access control
- Semantic caching to reduce costs and latency
- Enterprise clustering with high availability and zero-downtime deployments
| - forward_backward() operation for computing loss and accumulating gradients
- optim_step() for updating the adapter
- sample() for generating from current or saved policy
- save_state() to save and resume training state
- Tinker API compatibility
- Separate trainer and sampler resources
- Synchronous and asynchronous RL patterns
- Frozen base model weights with LoRA adapter updates
- Support for open models from Qwen, Google, DeepSeek, Moonshot AI, NVIDIA, and Z.ai
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| What makes it different | - 50x faster than LiteLLM with P99 latency of 20 microseconds at 5k requests per second
- Zero-touch in-VPC deployments ensure no data leaves your infrastructure
- Free and open source with Apache 2.0 license
- Works seamlessly with all major LLM frameworks including OpenAI, Anthropic, LangChain, and LiteLLM
- Enterprise-grade governance with SSO, RBAC, and audit logs included in Enterprise tier
| - Managed training and sampling infrastructure, no setup required
- Tinker-compatible API for easy migration
- Ready-made SFT and RL recipes through Loops cookbook
- Support for vision-language models
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 72 ▲ +1 (up) since last check | 77 ● no change since last check |
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| Trust Flow (Majestic) | 25 | 13 |
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| Citation Flow (Majestic) | 47 | 43 |
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| Referring domains (Majestic) | 2020 | 550 |
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3 details filled in for both companies.
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