Bifrost vs Kaeso
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 Kaeso
| Detail | 
Bifrost | 
Kaeso |
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| What it does | The fastest open-source AI gateway for LLMs, MCP and agents
| Open-source AI gateway you run yourself
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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
| Open source
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| Pricing | Bifrost OSS is free forever. Bifrost Enterprise has custom pricing; contact sales for a quote.
| Not given
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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
| - Single sign-on with OpenID Connect and two-factor authentication
- Format translation through KPP canonical format, allowing any SDK to call any model
- Spend and token budgets with hard limits that are never skipped
- Complete request logging with status, tokens, cost, timing and content when permitted
- Encrypted provider key storage with AES-256-GCM
- Web console for managing organizations, projects, members, roles and request logs
- Stateless Rust gateway for horizontal scaling
- Support for 14 built-in AI providers
- Docker Compose deployment with Caddy, PostgreSQL, Valkey and ClickHouse
- Error reporting that names unsupported fields instead of silently dropping them
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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
| - OpenID Connect single sign-on and two-factor authentication included in the open-source code, not an enterprise edition
- Hard budgets with worst-case reserves for every request to prevent burst overruns
- Single MIT-licensed repository for gateway, console, KPP and UI library with no separate enterprise version
- Rust gateway architecture with no interpreter on the hot path for performance
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 72 ▲ +1 (up) since last check | 20 ▲ +17 (up) since last check |
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| Trust Flow (Majestic) | 25 | 4 |
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| Citation Flow (Majestic) | 47 | 19 |
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| Referring domains (Majestic) | 2020 | 15 |
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4 details filled in for both companies.
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