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Head to head

Reka EdgevsPhi 4

For tasks, about a month.

Verdict · measured basis

Phi 4 costs $0.0000 per solved task against Reka Edge at $0.0002 — ▼ 5.5x cheaper. Over 200 tasks that is $0.04 a month.

On output token price alone Reka Edge looks 1.4x cheaper. The ranking reverses once you divide by pass rate — the cheaper tokens do not win the task.

Verified pricing, pass rate and cost per solved task for Reka Edge and Phi 4
FigureReka EdgePhi 4
Input $/Mtok$0.1$0.07
Output $/Mtok$0.1$0.14
Cached input $/Mtok$0.1$0.07
Pass rate8%67%
Cost per solved task$0.0002measured$0.0000measured
Cost per month$0.04$0.01

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for Phi 4 (measured, $0.0000 per solved task), Reka Edge (measured, $0.0002 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$0.001$0.01$0.1$1$10TASKS / MONTH (log) →200 tasksPhi 4 · MEASURED · $0.0000 per solved task$0.01Reka Edge · MEASURED · $0.0002 per solved task$0.04— Phi 4 · MEASURED— Reka Edge · 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