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DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017 by DeepSeek: League Score, pricing, context window and sourced benchmarks — the full tracked record.

81 Open weights $0.30 / $1.20 per 1M 1M context

League positions: #9 overall · #3 Value Division · #1 Open-Weight Division. Score coverage: 40% of components measured. Count tokens & cost for DeepSeek V4.1 Flash 1017 · Estimate a workload cost

Specifications & pricing

MakerDeepSeek — lab profile
FamilyDeepSeek V4
ReleasedOct 17, 2026
StatusCurrent
WeightsOpen weights
LicenseMIT
Knowledge cutoffNot published
Context window1,000,000 tokens
Max output384,000 tokens
Modalities intext, image
Modalities outtext
API price (input)$0.30 per 1M tokens
API price (output)$1.20 per 1M tokens
Cached input$0.006 per 1M
Blended (3:1 in:out)$0.52 per 1M
Pricing sourceOfficial pricing page (checked Oct 18, 2026)
API accessDeepSeek API

Benchmark results

BenchmarkScoreSourceDateLink
LiveBench overall79.2 / 100LiveBenchOct 18, 2026Source

How its League Score is built

ComponentRawNormalisedWeightDateLink
LiveBench overall79.281.440%Oct 18, 2026Source

Normalised 0–100 against the tracked field; missing components redistribute their weight. Full rules on the methodology page.

Closest rivals

FAQ

How much does DeepSeek V4.1 Flash 1017 cost?

DeepSeek V4.1 Flash 1017 costs $0.30 per 1M input tokens and $1.20 per 1M output tokens on the first-party API (checked Oct 18, 2026).

What is the context window of DeepSeek V4.1 Flash 1017?

DeepSeek V4.1 Flash 1017 accepts up to 1,000,000 tokens of context.

Is DeepSeek V4.1 Flash 1017 open source?

Yes — its weights are publicly downloadable (license: MIT).

Data verified Oct 18, 2026. Spotted an error? Every figure above links to its source.