Head to head · Agent harness · October 2026 research run
Prime Agent vs Qwen Code
Qwen Code scores 72.4 (BB) on agent readiness against Prime Agent's 60.5 (C), and leads in 5 of 7 scored categories. Both do agent harness.
Which one, for what
Good for Long-running research and coding work where one model drives subagents, schedules and goals from code, and where the owner can isolate the machine.
Also in its favour
- No key needed to call it
Watch for
No approval prompts and no sandbox. The README says the worker and kernel processes are not a security sandbox
Qwen Code BB
Good for Developers and CI jobs that want an open-source harness tied to no single model vendor, with run budgets and SDKs.
Ahead on
- Schema & documentation, 91 against 42
- Agent ergonomics, 85 against 73
- Maintenance & community, 88 against 79
Also in its favour
- Agent-ready, a grade of BB or better
Watch for
The default approval mode is Auto, where an LLM classifier approves tool calls, and sandboxing and folder trust are both off by default
Score by category
| Category | Weight this run | Prime Agent | Qwen Code | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 65 | 69 | Qwen Code +4 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 42 | 91 | Qwen Code +49 |
| Agent ergonomics | 13%16.2 | 73 | 85 | Qwen Code +12 |
| Security & auth | 14%17.5 | 50 | 53 | Qwen Code +3 |
| Payments & pricing | 10%12.5 | 60 | 60 | even |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 79 | 88 | Qwen Code +9 |
| Transparency & trust | 7%8.8 | 64 | 63 | Prime Agent +1 |
| Negative events | ≤15 | 0 | 0 | |
| Total | 60.5 · C | 72.4 · BB |
Facts side by side
| Fact | Prime Agent | Qwen Code |
|---|---|---|
| Kind | Agent harness | Agent harness |
| Vendor | Prime Intellect | Alibaba (Qwen team) |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | None | API key |
| Pricing | Free | Free |
| x402 | no | no |
| Licence | MIT | Apache-2.0 |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| Last release | 2026-10-07 | 2026-10-05 |
| Terms last updated | no date given | 2026-10-01 |
| Privacy policy last updated | no date given | 2026-10-01 |
| Customer content may train models | not found in the text | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 22k stars | 28k stars, 105k npm/wk |
Verdicts
Prime Agent
Budgets for turns, tokens and time bound an autonomous run, and sessions survive a closed terminal through a supervising daemon. Model-written Python and shell commands run with the user's rights, with no approval step and no sandbox, and the Rust build on the main branch ships only as nightly betas.
Qwen Code
Apache-2.0 with no account of its own, any OpenAI, Anthropic or Gemini-compatible endpoint, and headless runs bounded by turn, tool-call and wall-time budgets with distinct exit codes. Out of the box, Auto mode lets an LLM classifier approve tool calls, with the sandbox and folder trust both off. Usage statistics are on by default.
Before you call either
Prime Agent
- Run it in a disposable clone, container or VM. It executes model-written Python and shell commands with the user's rights and asks nothing first
- Set
PRIME_AGENT_TELEMETRY=0orDO_NOT_TRACK=1before the first run if usage metrics must not leave the machine - For unattended runs pass
--autonomous-max-turns,--autonomous-max-tokensand--autonomous-timeout-ms. Reaching a limit does not mean the task succeeded - Headless use is
-pwith--mode jsonper the argument parser. A provider key must already be configured, because/loginis interactive - The
-t/--tools,-nt/--no-toolsand-nbt/--no-builtin-toolsflags were removed and now fail as unknown options
Qwen Code
- Pass
--approval-modeon every run. The settings default isauto, and one docs page says headless runs default to asking, so don't rely on either - Add
--max-session-turns,--max-wall-timeand--max-tool-calls. All three are unlimited by default. Exit 53 is the turn limit and 55 a budget --yolodoesn't turn on a sandbox. Add--sandbox, or on Linux settools.executionSandboxwithnetworkset toclosed- Set
QWEN_USAGE_STATISTICS_ENABLED=falseto stop usage statistics - Authenticate with
OPENAI_API_KEY,OPENAI_BASE_URLandOPENAI_MODELin CI. The browser sign-in is discontinued
Questions
Which is better for AI agents, Prime Agent or Qwen Code?
Qwen Code scores 72.4 (BB) on agent readiness against Prime Agent's 60.5 (C), and leads in 5 of 7 scored categories.
Are Prime Agent and Qwen Code open source?
Yes. Prime Agent is open source (MIT). Qwen Code is open source (Apache-2.0).
Other comparisons with Prime Agent or Qwen Code
- Aider vs Prime Agent
- Aider vs Qwen Code
- Amp vs Prime Agent
- Amp vs Qwen Code
- Claude Code vs Prime Agent
- Claude Code vs Qwen Code
- Cline vs Prime Agent
- Cline vs Qwen Code
- Cursor CLI vs Prime Agent
- Cursor CLI vs Qwen Code
- Devin vs Prime Agent
- Devin vs Qwen Code
- Pi vs Prime Agent
- Pi vs Qwen Code
- Gemini CLI vs Prime Agent
- Gemini CLI vs Qwen Code
- GitHub Copilot CLI vs Prime Agent
- GitHub Copilot CLI vs Qwen Code
- goose vs Prime Agent
- goose vs Qwen Code
- Kiro CLI vs Prime Agent
- Kiro CLI vs Qwen Code
- OpenAI Codex vs Prime Agent
- OpenAI Codex vs Qwen Code
- OpenCode vs Prime Agent
- OpenCode vs Qwen Code
- OpenHands vs Prime Agent
- OpenHands vs Qwen Code
- Paperclip vs Prime Agent
- Paperclip vs Qwen Code
Machine-readable
- This page as Markdown
/compare/prime-agent-vs-qwen-code.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/prime-agent.json·/api/v1/tools/qwen-code.json - From a terminal
anchor compare prime-agent qwen-code(the CLI) - Over MCP
compare_tools {"a": "prime-agent", "b": "qwen-code"}at/mcp, no key