Head to head
Claude Sonnet 5 vs GPT-4.1
Claude Sonnet 5: currentGPT-4.1: legacyheavy tier
No verdict
Cost per solved task needs a published pass rate for both models. At least one has none, so it is reported as missing rather than estimated.
verified 2026-08-21 · prices from each provider's pricing page
Input $/M tokens
lower is better
Output $/M tokens
lower is better
Cost per solved task
needs a pass rate for both
| Claude Sonnet 5 | GPT-4.1 | |
|---|---|---|
| Input $/Mtok | $2 | $2 |
| Output $/Mtok | $10 | $8 |
| Cached input $/Mtok | $0.2 | $0.5 |
| Pass rate | missing | 52% |
| Pass rate source | missing | Aider |
| Cost basis | missing | modelled |
| Cost per solved task | missing | $5.15 |
verified 2026-08-21 · heavy task tier; measured rows ignore the tier· Methodology· Claude Sonnet 5· GPT-4.1