Alibaba
qwen3.5-plus
Made by Alibaba. Released 2026-02-16. Accessibility not recorded. Cheapest standard rate we hold: $2.40 per million output tokens, no context split.
What it costs
| Tier | Kind | In | Out | Cached in | From |
|---|---|---|---|---|---|
| standard | text | $0.40 | $2.40 | $0.04 | licensed-index |
per million tokens, US dollars. * marks a rate from a single registry or two that disagree — the best available number rather than a confirmed one. Every other row is confirmed against a seller or a licensed index.
What it scores, by house
| Benchmark | House | Score | Evaluated | Scaffold |
|---|---|---|---|---|
| chess puzzles | Epoch AI | 0.2±0.04 | 2026-08-07 | — |
| frontiermath | Epoch AI | 0.2±0.02 | 2026-05-14 | — |
| frontiermath tier 4 | Epoch AI | 0.0±0.02 | 2026-05-15 | — |
| gpqa diamond | Epoch AI | 0.8±0.03 | 2026-08-07 | — |
| mystery game puzzles | Epoch AI | 0.2±0.04 | 2026-08-27 | none |
| mystery game puzzles | Epoch AI | 0.2±0.04 | 2026-08-05 | — |
| otis mock aime 2024 2025near its ceiling | Epoch AI | 0.9±0.05 | 2026-08-07 | — |
| simpleqa verified | Epoch AI | 0.3±0.01 | 2026-08-27 | — |
| ale bench | collected by Epoch AI | 622 | — | — |
| apex agents | collected by Epoch AI | 0.3 | — | — |
| cl bench | collected by Epoch AI | 0.2 | — | — |
| cl bench life | collected by Epoch AI | 0.1 | — | — |
| dtbenchnear its ceiling | collected by Epoch AI | 0.8 | — | — |
| lmca | collected by Epoch AI | 36.4 | — | — |
| vending bench 2 | collected by Epoch AI | 0.5 | — | — |
| webdev arena | collected by Epoch AI | 1399 | — | — |
These scores are not comparable between houses and are not added up. A score is dated by when it was evaluated, not when the model was released, and a score without its scaffold is not a measurement — which is why both are printed.
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