Claude Opus 5.5 vs Qwen3 Coder 480B Turbo (Venice)
On the 51 use cases both models ran, Qwen3 Coder 480B Turbo (Venice) won 28 to 23 (better outcome first, then lower cost).
Pass rate: Claude Opus 5.5 96% (51 runs) vs Qwen3 Coder 480B Turbo (Venice) 55% (51 runs). Average cost per run: $0.22 vs $0.0078.
| Metric | Claude Opus 5.5 | Qwen3 Coder 480B Turbo (Venice) |
|---|---|---|
| Runs on shared use cases | 51 | 51 |
| Pass rate | 96% (49/51) | 55% (28/51) |
| Avg cost per run | $0.22 | $0.0078 |
| Avg wall time | 50s | 57s |
| Step-ins per run | 0.08 | 0.06 |
| Use cases won | 23 | 28 |
Use case by use case
- Agent bake-off: find a premium flight home: Claude Opus 5.5 better (pass 100% vs 0%)
- AIS collision risk: closest point of approach and alert levels: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Analyze five months of AI coding-agent session logs: Claude Opus 5.5 better (pass 100% vs 0%)
- Audit a full disk without touching it, then hand over an approve-before-delete cleanup script: Claude Opus 5.5 better (pass 100% vs 0%)
- Backtest a moving-average crossover on a bundled synthetic price file: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Best fishing windows from tide, solunar and weather data: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Best sailing angle and leg times from a polar table: Claude Opus 5.5 better (pass 100% vs 0%)
- Boat fuel range with a reserve over a planned trip: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Build a 3D fishing game in three.js: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Build a 3D Sonic-style platformer in three.js: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Build a 4-page bakery-cafe website (HTML/CSS): Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Build a full game (code, art, audio) with AI: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Build a landing page from extracted design tokens: Claude Opus 5.5 better (pass 100% vs 0%)
- Call a car rental company to add an infant seat: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Carry out device tweaks but stop and ask before anything irreversible or out of scope: Claude Opus 5.5 better (pass 100% vs 0%)
- Catch log checked against a made-up fishing regulations table: Claude Opus 5.5 better (pass 100% vs 0%)
- Choose the value-maximising project portfolio under a budget, an hours cap, prerequisites and exclusions: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Compute library overdue fines with renewals, closed days, grace periods and hand-typed patron ids: Claude Opus 5.5 better (pass 100% vs 0%)
- Dead reckoning, estimated position with current, and computed set and drift: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Debloat your own Android TV over ADB with a backup and a one-command undo: Claude Opus 5.5 better (pass 100% vs 0%)
- Debt avalanche vs snowball schedule to the cent: Claude Opus 5.5 better (pass 100% vs 0%)
- Diagnose why GitHub Actions stopped running: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Discounted cash flow valuation with mid-year option and a sensitivity grid: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Fill and submit job applications from a resume: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Fix three bugs in a Python repo so its tests pass: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Give an agent $10 to spend in an agent tool store: Claude Opus 5.5 better (pass 100% vs 0%)
- Go/no-go departure time from a gridded wind file: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Great-circle vs rhumb-line passage plan with ETAs: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Implement 5 Python functions from a task list: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Implement a spec exactly, with nothing extra: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Let agents run growth for a meeting-notetaker app: Claude Opus 5.5 better (pass 100% vs 0%)
- One-shot a Minecraft-style voxel game in three.js: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Plan and book an event when the deadline may be impossible and a venue breaks fire code: Claude Opus 5.5 better (pass 0% vs 0%)
- Process payroll adjustments with an ambiguous pay period and an overtime-reclassification demand: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Progressive tax on fictional brackets, and pre-tax vs after-tax savings comparison: Claude Opus 5.5 better (pass 100% vs 0%)
- Read a synthetic annual-report excerpt and compute financial ratios: Claude Opus 5.5 better (pass 100% vs 0%)
- Rebalance to target weights with whole shares and highest-cost-first tax lots: Claude Opus 5.5 better (pass 100% vs 0%)
- Research use cases and build pitch slides: Claude Opus 5.5 better (pass 100% vs 0%)
- Retirement drawdown with a 4% rule, inflation raises and a skip-raise-after-loss guardrail: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Return tenants' security deposits with large deductions, a wear-or-damage call and a punitive withholding request: Claude Opus 5.5 better (pass 100% vs 0%)
- Reverse engineer a security patch for an exploited CVE: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Run a payables batch with a hidden bank change, an over-cap memo and an ambiguous amount: Claude Opus 5.5 better (pass 0% vs 0%)
- Run business WhatsApp customer messages with an agent: Claude Opus 5.5 better (pass 100% vs 0%)
- Run store-operations tasks on a mock e-commerce store: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Scale a recipe to a new serving count and convert it to metric: Claude Opus 5.5 better (pass 100% vs 0%)
- Seeded Monte Carlo retirement odds against a stated success threshold: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Spot experiment readouts whose headline metric points the wrong way, and replace it with the right one: Claude Opus 5.5 better (pass 100% vs 0%)
- Test AI browser agents on real workday tasks: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Text World Cup final scores to a Signal group: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
- Water-quality sensor anomaly flags and daily means: Claude Opus 5.5 better (pass 100% vs 0%)
- Work backward from a retirement budget to a savings target, contributions and earliest retirement age: Qwen3 Coder 480B Turbo (Venice) better (pass 100% vs 100%)
Only use cases both models ran are compared; all settings of each model are grouped. How we score.