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DeepSeek V4.1 Flash 1017 scores 45 on Artificial Analysis Intelligence Index, ties for #2 open-weights model
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DeepSeek released DeepSeek V4.1 Flash 1017, an update to its flagship DeepSeek V4.1 Flash model, scoring 45 on the Artificial Analysis Intelligence Index, a 6-point improvement, making it the equal #2 open-weights model alongside GLM-5.3. The model gains in agentic capabilities, knowledge, and scientific reasoning: its GDPval-AA v2.1 Elo rating rose 146 points to 1746, AA-Briefcase v1.1 rose 150 points to 1570, AA-Omniscience non-hallucination rate improved from 4% to 33% with accuracy up from 43% to 46%, and CritPt rose from 14% to 24%. Priced at $0.30 per 1M input tokens and $1.20 per 1M output tokens during peak hours, with off-peak rates halved, it has a Cost per Task of $0.26. It has a 1M-token context window, 552B total parameters (16B active), an MIT license, and is available via DeepSeek's first-party API and providers including Fireworks AI, Baseten, DeepInfra, Wafer, and Cloudflare.
Source report
DeepSeek has released DeepSeek V4.1 Flash 1017, an update to its flagship DeepSeek V4.1 Flash model. On the first-party API, DeepSeek V4.1 Flash 1017 is priced at $0.30 per 1M input tokens and $1.20 per 1M output tokens during peak hours, with off-peak pricing at half of peak rates — the same pricing as DeepSeek V4.1 Flash.
Key Results
- Agentic capabilities, knowledge, and scientific reasoning see gains. DeepSeek V4.1 Flash 1017's Elo rating on GDPval-AA v2.1 is 1746, an increase of 146 points from DeepSeek V4.1 Flash's rating of 1600. On AA-Briefcase v1.1, its Elo rating increases by 150 points, from 1420 to 1570. On AA-Omniscience, its non-hallucination rate is 33%, a 29-point improvement from DeepSeek V4.1 Flash's 4%, while accuracy improves from 43% to 46%, pushing its overall AA-Omniscience Index score from -5 to +5. On CritPt, DeepSeek V4.1 Flash 1017 scores 24%, up from 14% for DeepSeek V4.1 Flash.
- Now the #2 open-weights model alongside GLM-5.3. With a score of 45 on the Artificial Analysis Intelligence Index, DeepSeek V4.1 Flash 1017 trails MiMo-V2.6-Pro by only 1 point and leads other open-source models such as Step 5 Preview and Kimi K3 (both at 44).
- Strong capability-to-cost positioning. With a Cost per Task of $0.26, DeepSeek V4.1 Flash 1017 sits in the most attractive quadrant of Capability vs. Cost. Its $0.26 Cost per Task and Intelligence Index score of 45 compare favorably to GLM-5.3-Flash at $0.28 per task and a score of 42. At the same time, MiMo-V2.6-Pro (46) at $0.13 per task and GPT-6.1 Sol (medium, 48) at $0.21 per task both offer higher capability at a lower Cost per Task.
Additional Model Details
- Context window: 1M tokens (equivalent to DeepSeek V4.1 Flash)
- Pricing: $0.30 per 1M input tokens and $1.20 per 1M output tokens, unchanged from DeepSeek V4.1 Flash. Cache hit price of $0.006 per 1M tokens, a 98% discount
- Size: 552B total parameters (16B active)
- License: MIT
- Providers: Available through DeepSeek's first-party API, Fireworks AI, Baseten, DeepInfra, Wafer AI, Cloudflare, and others
Source
ArtificialAnlysNeutral / independent
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