deepseek

DeepSeek V4.1 Flash 1017

deepseek-flash

October 17 update of DeepSeek V4.1 Flash with improved reasoning, coding, agentic tasks, and visual understanding

ReasoningTool CallingAttachmentsOpen WeightsMIT

Context Window

1M

Max Output

384K

Temperature

Yes

Open Weights

Yes

Knowledge Cutoff

2025-05

Released

2026-10-17

Last Updated

2026-10-17

License

MIT

Modalities

Input:TextImage
→
Output:Text

Benchmarks

BenchmarkScoreMetricHarness
Humanity's Last Exam42.6-
Humanity's Last Exam44-
Terminal-Bench42.3Claude Code
DeepSWE77Mini-SWE-V2
ProgramBench29.1-
NL2Repo68.2-
AutomationBench60.5-
Agents' Last Exam35.4-
Apex Bench72.1-
Chartography83-
BabyVision92.5-
ZeroBench51pass@5-

Available Providers (12)

ProviderInput /1MOutput /1MCache Read /1MCache Write /1MReasoningStatus
LLM GatewayLLM GatewayRp 2.720Rp 10.878Rp 55—effort—
ModularModularRp 3.082Rp 21.755Rp 363—toggle, effort—
Prime InferencePrime InferenceRp 2.829Rp 21.755Rp 109Rp 2.829effort—
Vercel AI GatewayVercel AI GatewayRp 5.439Rp 21.755Rp 127—effort—
Merge GatewayMerge GatewayRp 2.720Rp 10.878Rp 55—toggle, effort—
OfoxOfoxRp 5.439Rp 21.755Rp 109—toggle, effort—
ArceeArceeRp 5.439Rp 21.755Rp 109—effort—
NanoGPTNanoGPTRp 1.813Rp 10.878Rp 77—effort—
NEAR AI CloudNEAR AI CloudRp 5.439Rp 21.755Rp 109—toggle, effort—
Kilo GatewayKilo GatewayRp 5.439Rp 21.755Rp 109—effort—
OpenRouterOpenRouterRp 2.720Rp 10.878Rp 55—effort—
Novita AINovita AIRp 5.439Rp 21.755Rp 109—toggle, effort—