DeepSeek-R1 vs DeepSeek-V4-Flash-Vision-Exp
Comparing DeepSeek-R1 and DeepSeek-V4-Flash-Vision-Exp across benchmarks, pricing, and capabilities.
DeepSeek · DeepSeek · Updated for 2026
Which is better?
DeepSeek-R1 and DeepSeek-V4-Flash-Vision-Exp trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, DeepSeek-V4-Flash-Vision-Exp is roughly 2.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V4-Flash-Vision-Exp also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose DeepSeek-R1
- you need open weights you can self-host or fine-tune
Choose DeepSeek-V4-Flash-Vision-Exp
- cost matters — it's about 2.9x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-R1 and DeepSeek-V4-Flash-Vision-Expdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-R1 ($0.55/1M tokens) is 2.5x more expensive than DeepSeek-V4-Flash-Vision-Exp ($0.22/1M tokens).
For output processing, DeepSeek-R1 ($2.19/1M tokens) is 3.3x more expensive than DeepSeek-V4-Flash-Vision-Exp ($0.66/1M tokens).
In conclusion, DeepSeek-R1 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
DeepSeek-V4-Flash-Vision-Exp accepts 1,048,576 input tokens compared to DeepSeek-R1's 131,072 tokens. DeepSeek-V4-Flash-Vision-Exp can generate longer responses up to 393,216 tokens, while DeepSeek-R1 is limited to 131,072 tokens.
Input Capabilities
Supported data types and modalities
DeepSeek-V4-Flash-Vision-Exp supports multimodal inputs, whereas DeepSeek-R1 does not.
DeepSeek-V4-Flash-Vision-Exp can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-R1
DeepSeek-V4-Flash-Vision-Exp
Release Timeline
When each model was launched
DeepSeek-R1 was released on 2025-01-20, while DeepSeek-V4-Flash-Vision-Exp was released on 2026-08-21.
DeepSeek-V4-Flash-Vision-Exp is 19 months newer than DeepSeek-R1.
Jan 20, 2025
1.6 years ago
Aug 21, 2026
3 days ago
1.6yr 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-R1 is available from DeepSeek, DeepInfra, Together, Fireworks. DeepSeek-V4-Flash-Vision-Exp is available from DeepSeek.
DeepSeek-R1
DeepSeek-V4-Flash-Vision-Exp
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-R1 and DeepSeek-V4-Flash-Vision-Exp side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-R1 vs DeepSeek-V4-Flash-Vision-Exp.