Terminal-Bench 2.1terminalISO disk image
Expose an Alpine QEMU console over Telnet
Boot the supplied Alpine ISO in a background QEMU process and expose its ready login console over Telnet on localhost port 6665.
qemu-startup
Normalized profile
What this task asks for
Boot the supplied Alpine ISO in a background QEMU process and expose its ready login console over Telnet on localhost port 6665. Boot /app/alpine.iso in the background. Listen at 127.0.0.1:6665. Block setup until the login prompt is ready. Leave the VM running.
Intent
- systems setup
- configuration tuning
Work surfaces
- virtual machine
- serial console
- network service
Technology
- QEMU
- Alpine Linux
- Telnet
Expected artifacts
- running Alpine VM
- Telnet-accessible login console
What makes it difficult
- cross-platform or cross-architecture execution
- changes span multiple components or interfaces
Published evidence
Model × harness outcomes
Counts are tied to these exact configurations. Harnesses are not treated as equivalent across benchmarks.
- Models
- 13
- Configurations
- 20
- Trials
- 100
Showing 20 of 20 configurations
| Model | Harness | Effort | Result | Passes |
|---|---|---|---|---|
| claude-fable-5anthropic · 2026-06-07 | claude-code2.1.167 | xhigh | Mixed | 4/5 |
| claude-fable-5anthropic · 2026-06-05 | terminus-22.0.0 | high | All passed | 5/5 |
| claude-opus-4-7anthropic · 2026-05-01 | claude-code2.1.123 | max | All passed | 5/5 |
| claude-opus-4-7anthropic · 2026-05-01 | terminus-22.0.0 | max | Mixed1 errors | 4/5 |
| claude-opus-4-8anthropic · 2026-07-09 | claude-code2.1.205 | high | Mixed | 4/5 |
| claude-sonnet-5anthropic · 2026-07-09 | claude-code2.1.205 | high | Mixed | 4/5 |
| gemini-3-pro-previewgemini · 2026-05-01 | gemini-cli0.40.0 | high | No passes | 0/5 |
| gemini-3-pro-previewgemini · 2026-05-01 | terminus-22.0.0 | high | All passed | 5/5 |
| gemini-3.1-pro-previewgemini · 2026-05-05 | gemini-cli0.40.0 | high | No passes1 errors | 0/5 |
| gemini-3.1-pro-previewgemini · 2026-05-05 | terminus-22.0.0 | high | All passed | 5/5 |
| glm-5.1zai · 2026-05-01 | claude-code2.1.123 | max | All passed | 5/5 |
| gpt-5.5openai · 2026-05-01 | codex0.125.0 | xhigh | Mixed1 errors | 4/5 |
| gpt-5.5openai · 2026-05-01 | terminus-22.0.0 | xhigh | All passed | 5/5 |
| gpt-5.6-lunaopenai · 2026-07-10 | codex0.144.0 | max | Mixed1 errors | 3/5 |
| gpt-5.6-lunaopenai · 2026-07-11 | codex0.144.1 | max | All passed | 5/5 |
| gpt-5.6-solopenai · 2026-07-10 | codex0.144.0 | max | All passed | 5/5 |
| gpt-5.6-terraopenai · 2026-07-10 | codex0.144.0 | max | Mixed1 errors · 1 disqualified | 3/5 |
| gpt-5.6-terraopenai · 2026-07-11 | codex0.144.1 | max | All passed | 5/5 |
| grok-4.5cursor · 2026-07-09 | cursor-cli2026.07.08-0c04a8a | default | Mixed4 errors | 1/5 |
| muse-spark-1.1openai · 2026-07-09 | mini-swe-agent2.4.5 | xhigh | Mixed3 errors | 2/5 |