docketrouter
Models / DeepSeek

DeepSeek V4 Flash 0731

by DeepSeek · deepseek/deepseek-v4-flash-0731

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....

reasoningtool-usereleased 2026-07-31
Legal score · raw
-
not yet benchmarked
Context
1.31M
max output 944K
Input
$0.04
per 1M tokens
Output
$0.08
per 1M tokens
Suite cost
-
run the suite to see

Benchmark results

TaskCategoryRawJuicedCorrectLatencyCostRan
Hearsay IdentificationEvidence------
Bluebook Citation FormatResearch & Writing------
Federal Civil ProcedureProcedure------
Limitations ArithmeticProcedure------
Contract Clause ClassificationContracts------
Citation Hallucination ResistanceReliability------

Measured by DocketBuster

These numbers come from DocketBuster's own legal battery, not from DocketRouter's suite. Latest run per metric, with n and a 95% Wilson interval where the source reports one. See docketbuster.com/benchmarks.

MetricValuenIntervalMeasured
Statute pinpoint, exact section (no retrieval)12.3% (37/300)30095% CI 9.1% to 16.5%2026-08-21
Statute pinpoint, exact section (with DocketBuster retrieval)76.5% (235/307)30795% CI 71.5% to 80.9%2026-08-24
Say-nothing rate (declines to bluff when the answer is not in the record)100.0%30095% CI 98.7% to 100.0%2026-08-21
Abstained on statute pinpoint16.3% (50/307)307count, no interval reported2026-08-24
Coaching quality (GW-14x, 0 to 8)7.16 / 8-rubric mean, no interval reported2026-08-22

Source files: hard-llm-ortier-dsflash.json, gw14x-ortier-dsflash.json, hard-llm-level-dsflash-statute_rag.json. Raw model name in source: deepseek/deepseek-v4-flash.