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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

Rust · With Guidelines · 2026-09-28
97.9%Task Pass Rate
186/190Checks 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 Check1/132.8s
✓Private Vs Public Table1/130.5s
✓Registered User Gate1/130.5s
✓Admin Bootstrap1/129.3s
✓Role Based Access1/131.8s
✓Ban List1/131.9s
✓Rate Limit1/129.1s
✓Shared Document1/131.2s
✓Secure Projection2/232.5s

basics

90% · 15 evals
PassTaskChecksRun Time
✓Empty Reducers1/128.3s
✗Basic Tables0/130s
✗Scheduled Table0/131.4s
✗Struct In Table0/129.4s
✓Insert2/233.7s
✓Update3/330.5s
✓Delete3/319.2s
✓Crud4/418.3s
✓Index Lookup3/332.5s
✓Init4/432.6s
✓Connect1/126.1s
✓Helper Function3/332.6s
✓Schedule At Time1/129.3s
✓Cancel Schedule1/127.7s
✓Lifecycle Player1/128.9s

data modeling

100% · 6 evals
PassTaskChecksRun Time
✓Event Table1/133.1s
✓Optional Fields1/132.8s
✓Cascade Delete1/131.4s
✓Filter And Aggregate1/134.5s
✓Two Table Join1/134.6s
✓Unique Constraint1/132.9s

lifecycle

100% · 3 evals
PassTaskChecksRun Time
✓Scheduled Materialization4/438.3s
✓Connection Scoped Presence4/438.3s
✓Scheduled Private3/338.3s

migrations

100% · 3 evals
PassTaskChecksRun Time
✓Automatic Migration3/31m 3s
✓Incremental Migration4/41m 4s
✓Hot Swap Compatibility2/21m 3s

procedures

100% · 8 evals
PassTaskChecksRun Time
✓Procedure Return2/232.8s
✓Http Fetch2/223.2s
✓Fetch And Store3/329.5s
✓Scheduled Procedure3/325.8s
✓Http Handler2/227.3s
✓Http Router2/230.2s
✓Idempotent Webhook3/334.3s
✓External Upload Flow4/435.8s

queries

100% · 8 evals
PassTaskChecksRun Time
✓View Basic1/127.9s
✓View Per User1/128.3s
✓Range Query1/129.1s
✓Sort And Limit1/133.6s
✓Find First1/129.7s
✓Select Distinct1/128.1s
✓Count Without Collect1/130.2s
✓Multi Column Filter1/131.1s

reducers

100% · 6 evals
PassTaskChecksRun Time
✓Atomic Idempotent Transfer5/536.8s
✓Nested Update3/325.3s
✓Nested Cascade Delete11/1136.2s
✓Batched Delete4/427.1s
✓Deterministic Context5/522.5s
✓Reducer Result Table2/236s

schema

100% · 10 evals
PassTaskChecksRun Time
✓Spacetime Product Type3/331.4s
✓Spacetime Sum Type3/335.7s
✓Elementary Columns3/333.3s
✓Product Type Columns3/327.9s
✓Sum Type Columns3/323.8s
✓Scheduled Columns2/230.4s
✓Constraints3/328.2s
✓Many To Many5/531.9s
✓Ecs7/731.8s
✓Multi Column Index5/533.3s

tables

93% · 8 evals
PassTaskChecksRun Time
✗Normalized Collection0/136.7s
✓Heartbeat Isolation1/132.2s
✓Binary Storage2/235.2s
✓Normalized Schema1/135.4s
✓Denormalized Index4/439.3s
✓Autoinc Reference2/234.3s
✓Default Values2/256.6s
✓Special Types1/132.1s

views

100% · 7 evals
PassTaskChecksRun Time
✓Three Table Join2/237.1s
✓Semijoin Intersection2/228.1s
✓Timestamp Window2/228.7s
✓Index And Filter2/230.8s
✓Materialized Aggregate2/233.6s
✓Query Builder View2/227.4s
✓View Primary Key2/226s