{"type":"post","id":"on-public-cyberbench-deepseek-v4-1-flash-scores-db4c38","slug":"on-public-cyberbench-deepseek-v4-1-flash-scores-db4c38","title":"On public CyberBench , DeepSeek V4.1 Flash scores 73.69% at $0.07/test vs Sol's 77.98% at $1.34/test.","description":"CyberBench v1.1 reports a measurable cost–accuracy tradeoff on the task of finding and patching security bugs.","retrieval_nugget":"CyberBench v1.1 reports a measurable cost–accuracy tradeoff on the task of finding and patching security bugs.","published_at":"2026-10-20","updated_at":"2026-10-20","record_date":"2026-10-20","date_kind":"published_at","topics":["security"],"source_urls":["https://www.vals.ai/benchmarks/cyber"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:on-public-cyberbench-deepseek-v4-1-flash-scores-db4c38","status":"published","visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:27f83b23d3a00f5c95a3029ef8eae2a4dbb096efdf0b13b3aa0fbe85f972a6c7","reviewed_at":"2026-10-20T11:04:21.795Z","source_evidence_count":1,"verified_claim_count":3,"site_analysis_schema_version":"newruntime-site-analysis-v1","site_object_kind":"field_note","observed_fact_count":3,"implication_count":1,"watch_condition_count":1,"related_record_count":0},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"Benchmark utility for security agents depends on reading cost and task performance together, rather than treating a leaderboard rank as a deployment recommendation.","observed_facts":[{"text":"CyberBench v1.1 is described as a benchmark for finding and patching security bugs.","source_urls":["https://www.vals.ai/benchmarks/cyber"]},{"text":"DeepSeek V4.1 Flash scores 73.69% accuracy at $0.07 per test.","source_urls":["https://www.vals.ai/benchmarks/cyber"]},{"text":"GPT-6 Sol scores 77.98% accuracy at $1.34 per test.","source_urls":["https://www.vals.ai/benchmarks/cyber"]}],"mechanism":"Paired accuracy and per-test cost figures show the price of the incremental benchmark performance, enabling teams to assess whether it matters for their workload.","why_now":"CyberBench v1.1 presents these measures side by side for a current set of models, making the tradeoff legible to teams comparing security-task candidates.","implications":["Teams should validate both bug-finding accuracy and per-task cost on representative repositories before choosing a model."],"evidence_boundary":"The supplied source describes benchmark scores and costs only; it does not establish production performance, patch correctness in a team’s environment, or generalization beyond CyberBench.","watch_conditions":["Whether subsequent evaluations report reproducible results across repository types and separate finding quality from patch quality."],"related_records":[],"new_branch_reason":"No prior New Runtime analytical record was supplied; this begins a distinct record on the benchmark cost–accuracy tradeoff for security-task models."},"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/on-public-cyberbench-deepseek-v4-1-flash-scores-db4c38/","markdown":"https://newruntime.com/posts/on-public-cyberbench-deepseek-v4-1-flash-scores-db4c38.md","json":"https://newruntime.com/posts/on-public-cyberbench-deepseek-v4-1-flash-scores-db4c38.json"},"related_patterns":["ai-engineering-evaluations-are-splitting-into-task-specific","agent-economics-moves-to-completed-work"],"next_reads":[{"type":"topic","path":"/topics/security/","url":"https://newruntime.com/topics/security/","title":"Security","reason":"Explore the security topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/security.md","json_url":"https://newruntime.com/topics/security.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}