Z.ai

GLM-5.3

Made by Z.ai (Zhipu AI). Released 2026-08-14. Accessibility not recorded. Cheapest standard rate we hold: $4.40 per million output tokens, no context split.

What it costs

TierKindInOutCached inFrom
standardtext$1.40$4.40$0.26seller

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

BenchmarkHouseScoreEvaluatedScaffold
chess puzzlesEpoch AI0.4±0.052026-10-13max
frontiermath tier 4 v2Epoch AI0.3±0.072026-08-25max
frontiermath tiers 1 3 v2Epoch AI0.7±0.032026-08-25max
gpqa diamondEpoch AI0.9±0.022026-08-24max
mystery game puzzlesEpoch AI0.3±0.052026-08-30max
otis mock aime 2024 2025near its ceilingEpoch AI0.9±0.032026-08-24max
simpleqa verifiedEpoch AI0.4±0.022026-08-28max
ale benchcollected by Epoch AI1317—high
apex agentscollected by Epoch AI0.7—unknown
btf3collected by Epoch AI0.1—FutureSearch agent
critptcollected by Epoch AI0.2—max
critptcollected by Epoch AI0.1—low
cursorbenchcollected by Epoch AI0.4—max
cursorbenchcollected by Epoch AI0.3—low
cursorbenchcollected by Epoch AI0.4—high
deepswecollected by Epoch AI0.7—mini-swe-agent
dtbenchnear its ceilingcollected by Epoch AI0.9—unknown
frontiercodecollected by Epoch AI0.4—devin-cli
frontierswecollected by Epoch AI0.3—proximus
lmcacollected by Epoch AI55.5—unknown
posttrainbenchcollected by Epoch AI0.3—Claude Code
proofbenchcollected by Epoch AI0.5—max
scicodecollected by Epoch AI0.6—max
scicodecollected by Epoch AI0.4—low
simplebenchcollected by Epoch AI0.7—unknown
vending bench 2collected by Epoch AI8164—unknown
webdev arenacollected by Epoch AI1614—max
weirdmlcollected by Epoch AI0.8—max

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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