DeepInfra
GLM-5.3-Flash
Made by Z.ai (Zhipu AI). Released 2026-08-20. Accessibility not recorded. Cheapest standard rate we hold: $0.50 per million output tokens, no context split.
What it costs
| Tier | Kind | In | Out | Cached in | From |
|---|---|---|---|---|---|
| standard | text | $0.15 | $0.50 | $0.03 | *registry-single |
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 | 0.1±0.03 | 2026-08-26 | max |
| frontiermath tier 4 v2 | Epoch AI | 0.2±0.06 | 2026-08-27 | max |
| frontiermath tiers 1 3 v2 | Epoch AI | 0.6±0.03 | 2026-08-27 | max |
| gpqa diamond | Epoch AI | 0.9±0.02 | 2026-08-26 | max |
| mystery game puzzles | Epoch AI | 0.1±0.03 | 2026-08-28 | max |
| otis mock aime 2024 2025near its ceiling | Epoch AI | 0.9±0.02 | 2026-08-26 | max |
| ale bench | collected by Epoch AI | 304 | — | high |
| critpt | collected by Epoch AI | 0.2 | — | unknown |
| deepswe | collected by Epoch AI | 0.6 | — | mini-swe-agent |
| gdp pdf | collected by Epoch AI | 0.1 | — | max |
| proofbench | collected by Epoch AI | 0.2 | — | max |
| scicode | collected by Epoch AI | 0.5 | — | unknown |
| surface evolver bench | collected by Epoch AI | 0.5 | — | max |
| webdev arena | collected by Epoch AI | 1604 | — | unknown |
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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