Head to head
vs QW For light moderate heavy
No verdict
One cost is modelled and the other is measured . The two bases are never ranked against each other, so no verdict is given. Each figure is shown on its own basis below.
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Verified pricing, pass rate and cost per solved task for Gemini 3.1 Pro (preview) and Qwen3 8B Figure Gemini 3.1 Pro (preview) Qwen3 8B Input $/Mtok $2 $0.117 Output $/Mtok $12 $0.455 Cached input $/Mtok $0.2 $0.117 Pass rate 46% 57% Cost per solved task $1.91 modelled $0.0043 measured Cost per month $382 $0.87
Cost per month against tasks per month · drag the marker
Monthly cost against tasks per month Log-log lines for Qwen3 8B (measured, $0.0043 per solved task), Gemini 3.1 Pro (preview) (modelled, $1.91 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks. 10 100 1k 10k 100k $0.1 $1 $10 $100 $1k $10k $100k TASKS / MONTH (log) → 200 tasks Qwen3 8B · MEASURED · $0.0043 per solved task $0.87 Qwen3 8B MEASURED Gemini 3.1 Pro (preview) · MODELED · $1.91 per solved task $382 Gemini 3.1 Pro (prev… MODELED Monthly cost against tasks per month Log-log lines for Qwen3 8B (measured, $0.0043 per solved task), Gemini 3.1 Pro (preview) (modelled, $1.91 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks. 10 100 1k 10k 100k $0.1 $1 $10 $100 $1k $10k $100k TASKS / MONTH (log) → 200 tasks Qwen3 8B · MEASURED · $0.0043 per solved task $0.87 Gemini 3.1 Pro (preview) · MODELED · $1.91 per solved task $382 — Qwen3 8B · MEASURED — Gemini 3.1 Pro (preview) · MODELED Solid measured · dashed modeled · dotted stale. The gap is the verdict.
Source: Scale SEAL leaderboard, SWE-bench Pro · verified 2026-08-21 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings