Head to head
GPT-5 NanovsLlama 3 8B Lunaris
For tasks, about a month.
Verdict · measured basis
Llama 3 8B Lunaris costs $0.0001 per solved task against
GPT-5 Nano at $0.0010 — ▼ 17x cheaper.
Over 200 tasks that is $0.20 a month.
On output token price alone Llama 3 8B Lunaris looks 8.0x cheaper. The ranking holds, but the margin changes.
Verified pricing, pass rate and cost per solved task for GPT-5 Nano and Llama 3 8B Lunaris| Figure | GPT-5 Nano | Llama 3 8B Lunaris |
|---|
| Input $/Mtok | $0.05 | $0.04 |
|---|
| Output $/Mtok | $0.4 | $0.05 |
|---|
| Cached input $/Mtok | $0.005 | $0.04 |
|---|
| Pass rate | 100% | 17% |
|---|
| Cost per solved task | $0.0010measured | $0.0001measured |
|---|
| Cost per month | $0.21 | $0.01 |
|---|
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