Head to head
DeepSeek V4 FlashvsUI-TARS 7B
For tasks, about a month.
Verdict · measured basis
UI-TARS 7B costs $0.0003 per solved task against
DeepSeek V4 Flash at $0.02 — ▼ 71x cheaper.
Over 200 tasks that is $4 a month.
On output token price alone UI-TARS 7B looks 6.6x cheaper. The ranking holds, but the margin changes.
Verified pricing, pass rate and cost per solved task for DeepSeek V4 Flash and UI-TARS 7B | Figure | DeepSeek V4 Flash | UI-TARS 7B |
|---|
| Input $/Mtok | $0.44 | $0.1 |
|---|
| Output $/Mtok | $1.32 | $0.2 |
|---|
| Cached input $/Mtok | $0.014 | $0.1 |
|---|
| Pass rate | 73% | 25% |
|---|
| Cost per solved task | $0.02measured | $0.0003measured |
|---|
| Cost per month | $4 | $0.05 |
|---|
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 2026-08-21 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings