3 Best GPTCache Alternatives in 2026 (Open Source)
GPTCache — Semantic cache for LLMs. Fully integrated with LangChain and llama_index. . vs Redis/traditional caching: semantic similarity matching via embeddings means 'what is GitHub' and 'explain GitHub to me' share the same cache — not just exact string matches
Short answer
- Closest match to GPTCache: embedbase.
- Most actively developed: Bifrost AI Gateway (2,089 commits in the last 90 days).
- Fastest growing: Bifrost AI Gateway (+830 GitHub stars in the last 30 days).
- No commit in 6+ months: embedbase.
These 3 open-source tools do the same job. They are ordered by how closely they match GPTCache, with live GitHub data so you can see which projects are actively maintained.
By package downloads GPTCache is the most used here (160.5K in the last 30 days), even though AI Gateway has the most GitHub stars. See all agent tools by downloads.
| Tool | GitHub stars | Stars / 30d | Last commit | Downloads / 30d |
|---|---|---|---|---|
| GPTCache(original) | 8.2k | +38 | 2026-09-22 | 160.5K |
| embedbase | 522 | 0 | 2024-11-27 | 31 |
| AI Gateway | 13.1k | +323 | 2026-05-25 | 1.9K |
| Bifrost AI Gateway | 8.5k | +830 | 2026-10-03 | — |
1. embedbase
A dead-simple API to build LLM-powered apps
What sets it apart: Dead-simple hosted API for embeddings and semantic search with built-in LLM text generation, no vector DB hosting needed
Best for: quick-semantic-search-setup; embedding-based-applications; building-recommendation-engines
2. AI Gateway
A blazing fast AI Gateway with integrated guardrails. Route to 200+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.
What sets it apart: vs LiteLLM: production-focused with guardrails, caching, and MCP Gateway; vs OpenRouter: self-hostable with enterprise governance and conditional routing rather than just model access
Best for: Teams using multiple LLM providers needing unified routing; Production AI apps requiring reliability (retries/fallbacks); Organizations wanting centralized LLM cost and access control
3. Bifrost AI Gateway
Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.
What sets it apart: Fastest AI gateway with 11us overhead at 5k RPS — built in Go for extreme performance vs LiteLLM/Portkey's Python-based proxies
Best for: High-throughput production AI gateways needing sub-millisecond overhead; Multi-provider failover with zero-downtime requirements
FAQ
- What are the best alternatives to GPTCache?
- The closest open-source alternatives to GPTCache are embedbase, AI Gateway and Bifrost AI Gateway. They are ranked by how closely they match what GPTCache does.
- Which GPTCache alternative is the most popular?
- AI Gateway has the most GitHub stars among GPTCache alternatives, with 13,121 stars.
- Which GPTCache alternative is the most actively maintained?
- By recent activity, Bifrost AI Gateway (2,089 commits in the last 90 days) is the most actively developed alternative.
Maintain GPTCache or one of these alternatives?
Each tool page has a maintainer box: a README badge with your live rank and stars, or a homepage feature for $49 / 7 days.