Head to head
UP Solar Pro 4vs TE Hunyuan A13B InstructFor light moderate heavy tasks, about a month.
Verdict · measured basis
Solar Pro 4 costs $0.0003 per solved task against
Hunyuan A13B Instruct at $0.0020 — ▼ 7.1x cheaper .
Over 200 tasks that is $0.35 a month.
On output token price alone Hunyuan A13B Instruct looks 2.1x cheaper. The ranking reverses once you divide by pass rate — the cheaper tokens do not win the task.
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Verified pricing, pass rate and cost per solved task for Solar Pro 4 and Hunyuan A13B Instruct Figure Solar Pro 4 Hunyuan A13B Instruct Input $/Mtok $0.3 $0.14 Output $/Mtok $1.2 $0.57 Cached input $/Mtok $0.06 $0.14 Pass rate 75% 83% Cost per solved task $0.0003 measured $0.0020 measured Cost per month $0.06 $0.40
Cost per month against tasks per month · drag the marker
Monthly cost against tasks per month Log-log lines for Solar Pro 4 (measured, $0.0003 per solved task), Hunyuan A13B Instruct (measured, $0.0020 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks. 10 100 1k 10k 100k $0.01 $0.1 $1 $10 $100 TASKS / MONTH (log) → 200 tasks Solar Pro 4 · MEASURED · $0.0003 per solved task $0.06 Solar Pro 4 MEASURED Hunyuan A13B Instruct · MEASURED · $0.0020 per solved task $0.40 Hunyuan A13B Instruct MEASURED Monthly cost against tasks per month Log-log lines for Solar Pro 4 (measured, $0.0003 per solved task), Hunyuan A13B Instruct (measured, $0.0020 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks. 10 100 1k 10k 100k $0.01 $0.1 $1 $10 $100 TASKS / MONTH (log) → 200 tasks Solar Pro 4 · MEASURED · $0.0003 per solved task $0.06 Hunyuan A13B Instruct · MEASURED · $0.0020 per solved task $0.40 — Solar Pro 4 · MEASURED — Hunyuan A13B Instruct · MEASURED 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