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LLM Benchmarks

See how today's leading models write Spacetime code, scored task by task on live modules.

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Claude Opus 5

TypeScript · With Guidelines · 2026-09-28
94.7%Task Pass Rate
180/190Checks Passed
83Total Evals

Pass Rate Over Time

Click a data point to view results from that date.

auth

100% · 9 evals
PassTaskChecksRun Time
✓Auth Identity Check1/111s
✓Private Vs Public Table1/111.3s
✓Registered User Gate1/112.6s
✓Admin Bootstrap1/113.5s
✓Role Based Access1/113.8s
✓Ban List1/113.8s
✓Rate Limit1/18.7s
✓Shared Document1/113.8s
✓Secure Projection2/28.8s

basics

97% · 15 evals
PassTaskChecksRun Time
✓Empty Reducers1/115s
✓Basic Tables1/115.5s
✓Scheduled Table1/110.4s
✗Struct In Table0/112.7s
✓Insert2/215.5s
✓Update3/310.4s
✓Delete3/310.9s
✓Crud4/48s
✓Index Lookup3/310.4s
✓Init4/410.4s
✓Connect1/18.8s
✓Helper Function3/315.5s
✓Schedule At Time1/110.5s
✓Cancel Schedule1/115.5s
✓Lifecycle Player1/110.4s

data modeling

100% · 6 evals
PassTaskChecksRun Time
✓Event Table1/17.1s
✓Optional Fields1/17.6s
✓Cascade Delete1/111.5s
✓Filter And Aggregate1/111.5s
✓Two Table Join1/118.8s
✓Unique Constraint1/17.6s

lifecycle

100% · 3 evals
PassTaskChecksRun Time
✓Scheduled Materialization4/414.7s
✓Connection Scoped Presence4/415.1s
✓Scheduled Private3/317.1s

migrations

100% · 3 evals
PassTaskChecksRun Time
✓Automatic Migration3/314.2s
✓Incremental Migration4/424.9s
✓Hot Swap Compatibility2/221.3s

procedures

90% · 8 evals
PassTaskChecksRun Time
✓Procedure Return2/210.8s
✓Http Fetch2/28.8s
✓Fetch And Store3/38.8s
✓Scheduled Procedure3/313.8s
✗Http Handler1/28.8s
✗Http Router1/28.8s
✓Idempotent Webhook3/314s
✓External Upload Flow4/413.7s

queries

88% · 8 evals
PassTaskChecksRun Time
✓View Basic1/117.4s
✗View Per User0/114.2s
✓Range Query1/117.4s
✓Sort And Limit1/117.4s
✓Find First1/116.6s
✓Select Distinct1/116.6s
✓Count Without Collect1/114.3s
✓Multi Column Filter1/116.6s

reducers

100% · 6 evals
PassTaskChecksRun Time
✓Atomic Idempotent Transfer5/519.5s
✓Nested Update3/319.4s
✓Nested Cascade Delete11/1119.5s
✓Batched Delete4/419.4s
✓Deterministic Context5/513s
✓Reducer Result Table2/210.9s

schema

100% · 10 evals
PassTaskChecksRun Time
✓Spacetime Product Type3/310.9s
✓Spacetime Sum Type3/318.1s
✓Elementary Columns3/318.6s
✓Product Type Columns3/310.1s
✓Sum Type Columns3/318.6s
✓Scheduled Columns2/217.4s
✓Constraints3/317.4s
✓Many To Many5/511.6s
✓Ecs7/726s
✓Multi Column Index5/518.6s

tables

100% · 8 evals
PassTaskChecksRun Time
✓Normalized Collection1/118.9s
✓Heartbeat Isolation1/110s
✓Binary Storage2/214.8s
✓Normalized Schema1/117.3s
✓Denormalized Index4/421.2s
✓Autoinc Reference2/216.8s
✓Default Values2/225s
✓Special Types1/111s

views

57% · 7 evals
PassTaskChecksRun Time
✓Three Table Join2/213.1s
✗Semijoin Intersection1/217.8s
✗Timestamp Window1/216.6s
✗Index And Filter1/216.6s
✗Materialized Aggregate1/217.8s
✗Query Builder View1/216.6s
✗View Primary Key1/216.6s