Head to head
Phi 4vsQwen2.5 72B Instruct
For tasks, about a month.
Verdict · measured basis
Phi 4 costs $0.0000 per solved task against
Qwen2.5 72B Instruct at $0.0002 — ▼ 4.1x cheaper.
Over 200 tasks that is $0.02 a month.
On output token price alone Phi 4 looks 2.9x cheaper. The ranking holds, but the margin changes.
Verified pricing, pass rate and cost per solved task for Phi 4 and Qwen2.5 72B Instruct| Figure | Phi 4 | Qwen2.5 72B Instruct |
|---|
| Input $/Mtok | $0.07 | $0.36 |
|---|
| Output $/Mtok | $0.14 | $0.4 |
|---|
| Cached input $/Mtok | $0.07 | $0.36 |
|---|
| Pass rate | 67% | 53% |
|---|
| Cost per solved task | $0.0000measured | $0.0002measured |
|---|
| Cost per month | $0.01 | $0.03 |
|---|
Cost per month against tasks per month · drag the marker
Solid measured · dashed modeled · dotted stale. The gap is the verdict.
Solvency Bench (solvency.dev) — first-party measurement · verified 2026-08-26 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings