DeepSeek-V4-Flash-Vision-Exp vs DeepSeek-V4.1-Flash-1017
DeepSeek-V4-Flash-Vision-Exp and DeepSeek-V4.1-Flash-1017 are closely matched at 44.0 and 51.0 on the LLM Stats Score. DeepSeek-V4-Flash-Vision-Exp is 1.6x cheaper per token.
DeepSeek · DeepSeek · Updated for 2026
Which is better?
DeepSeek-V4-Flash-Vision-Exp and DeepSeek-V4.1-Flash-1017 are closely matched on the overall LLM Stats Score at 44.0 and 51.0.
In the 4 individual benchmarks reported for both models, DeepSeek-V4.1-Flash-1017 wins 4; this is a narrower head-to-head signal than the composite indexes.
On price, DeepSeek-V4-Flash-Vision-Exp is roughly 1.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose DeepSeek-V4-Flash-Vision-Exp
- cost matters — it's about 1.6x cheaper per token
Choose DeepSeek-V4.1-Flash-1017
- your work emphasizes agents — it leads those capability indexes
- you value its reported benchmark strengths — it wins 4 of 4 exact shared results
- you want the most recent training data — it shipped Oct 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
7 reported for DeepSeek-V4-Flash-Vision-Exp · 11 for DeepSeek-V4.1-Flash-1017
DeepSeek-V4-Flash-Vision-Exp outperforms in 0 benchmarks, while DeepSeek-V4.1-Flash-1017 is better at 4 benchmarks (Agents' Last Exam, AutomationBench, NL2Repo, ZEROBench).
DeepSeek-V4.1-Flash-1017 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-V4-Flash-Vision-Exp ($0.22/1M tokens) is 1.4x cheaper than DeepSeek-V4.1-Flash-1017 ($0.30/1M tokens).
For output processing, DeepSeek-V4-Flash-Vision-Exp ($0.66/1M tokens) is 1.8x cheaper than DeepSeek-V4.1-Flash-1017 ($1.20/1M tokens).
In conclusion, DeepSeek-V4.1-Flash-1017 is more expensive than DeepSeek-V4-Flash-Vision-Exp.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 393,216 tokens.
Input capabilities
Documented input modalities across available providers
Both DeepSeek-V4-Flash-Vision-Exp and DeepSeek-V4.1-Flash-1017 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
DeepSeek-V4-Flash-Vision-Exp
DeepSeek-V4.1-Flash-1017
Release Timeline
When each model was launched
DeepSeek-V4-Flash-Vision-Exp was released on 2026-08-21, while DeepSeek-V4.1-Flash-1017 was released on 2026-10-17.
DeepSeek-V4.1-Flash-1017 is 2 months newer than DeepSeek-V4-Flash-Vision-Exp.
Aug 21, 2026
2 months ago
Oct 17, 2026
3 days ago
1mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
DeepSeek-V4-Flash-Vision-Exp is available from DeepSeek, DeepInfra. DeepSeek-V4.1-Flash-1017 is available from DeepSeek.
DeepSeek-V4-Flash-Vision-Exp
DeepSeek-V4.1-Flash-1017
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4-Flash-Vision-Exp and DeepSeek-V4.1-Flash-1017 side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4-Flash-Vision-Exp vs DeepSeek-V4.1-Flash-1017.
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