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Public story · 2026-07-27 · high
jcode claims 27.8 MB per session and 117 MB across ten concurrent sessions, well under Claude Code's footprint, per its own benchmarks.
Why now: jcode's memory comparison against Claude Code and other harnesses surfaced in coverage on July 27.
jcode publishes head-to-head memory numbers against Claude Code. For anyone running several coding agents on one machine, the number that matters is 117 MB, the baseline across ten concurrent sessions.
A single session with local embedding disabled runs at 27.8 MB PSS. The project claims that's 13.9 times less than Claude Code and 6 times less than jcode's own embedding-enabled mode.
Time-to-first-frame is the other headline figure. jcode logs 14.0ms against a competitor range of 383 to 3,436ms, a gap of roughly 27 to 245 times.
The harness is MIT-licensed and sits at 12,148 stars, with this specific comparison post adding 2,585 of those. It connects to Claude, OpenAI, Gemini, Copilot, Azure OpenAI, Ollama, and LM Studio through OpenAI-compatible endpoints. That makes it a drop-in front end rather than a model of its own.
These are vendor-published benchmarks, jcode comparing itself to its competitors with no independent verification. The methodology behind the 383-to-3,436ms competitor range isn't detailed enough to confirm it's an apples-to-apples test. Anyone running multiple AI coding sessions on one machine should treat these numbers as a lead worth reproducing, not a settled result.
Each link below shares sources, entities, or timing with this story.
Claude uses MCP / Shared entities / Same source domain / Shared topic / Earlier coverage
Linked by a graph relationship (Claude uses MCP); both cover CLAUDE, Claude Code, Copilot, Gemini; reported by the same outlet (github.com).
OpenClaw benchmarked against Claude / Shared entities / Same source domain / Shared topic / Earlier coverage
Linked by a graph relationship (OpenClaw benchmarked against Claude); both cover Claude, Claude Code, Copilot, Gemini; reported by the same outlet (github.com).
Cursor supports Claude / Shared entities / Same source domain / Shared topic / Earlier coverage
Linked by a graph relationship (Cursor supports Claude); both cover Claude, Claude Code, Copilot, Gemini; reported by the same outlet (github.com).
Linked by a graph relationship (Cursor supports Claude); both cover Claude, Claude Code, Copilot, LM Studio; reported by the same outlet (github.com).
Linked by a graph relationship (Cursor supports Claude); both cover Claude, Claude Code, MIT, OpenAI; reported by the same outlet (github.com).
Claude uses MCP / Shared entities / Same source domain / Shared topic / Earlier coverage
Linked by a graph relationship (Claude uses MCP); both cover Claude Code, Gemini, Ollama, OpenAI; reported by the same outlet (github.com).
Gemini competes with Claude / Shared entities / Same source domain / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (Gemini competes with Claude); both cover Claude, Claude Code, Gemini; reported by the same outlet (github.com).
Anthropic released Claude / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Anthropic released Claude); both cover CLAUDE, Claude Code, MIT, OpenAI; overlapping topics (actually, claude, code).