Magic.dev alternatives

AI-coding startup focused on extremely long-context models (claimed 100M tokens) and a frontier coding agent. Raised $320M Series B from Eric Schmidt, CapitalG, Atlassian Aug 2024. Full Magic.dev record →

  1. 1 JetBrains AI Assistant Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same conflict handling (no) · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ✓ Compare with Magic.dev →

  2. 2 JetBrains Junie Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · same conflict handling (no) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ✓ released 2026-10-21 Compare with Magic.dev →

  3. 3 OpenHands Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 92k released 2026-09-25 MIT Compare with Magic.dev →

  4. 4 ChatGPT — Codex (cloud agent) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? Compare with Magic.dev →

  5. 5 Cognition Devin v2 / Spec Mode Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ✓ released 2026-10-26 Compare with Magic.dev →

  6. 6 Bedrock AgentCore (AWS) Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ✓ ★ 750 Compare with Magic.dev →

  7. 7 Manus AI Agent IDEs & coding harnesses

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ? released 2026-09-28 Compare with Magic.dev →

  8. 8 Bolt.new (StackBlitz) — harness Agent IDEs & coding harnesses ⚠ inactive — no longer developed (pivoted)

    also in Agent IDEs & coding harnesses · same storage (kv) · same retrieval (injection) · also offered managed

    OSS ? Self-host — Managed ✓ MCP ✓ ★ 17k Compare with Magic.dev →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.