DeepSeek-V4-Flash-0423 vs Grok 4.6
Comparing DeepSeek-V4-Flash-0423 and Grok 4.6 across benchmarks, pricing, and capabilities.
DeepSeek · xAI · Updated for 2026
Which is better?
DeepSeek-V4-Flash-0423 and Grok 4.6 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, DeepSeek-V4-Flash-0423 is roughly 24.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V4-Flash-0423 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-V4-Flash-0423
- cost matters — it's about 24.0x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
- you need open weights you can self-host or fine-tune
Choose Grok 4.6
- 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-V4-Flash-0423 and Grok 4.6don'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-V4-Flash-0423 ($0.10/1M tokens) is 20.0x cheaper than Grok 4.6 ($2.00/1M tokens).
For output processing, DeepSeek-V4-Flash-0423 ($0.20/1M tokens) is 30.0x cheaper than Grok 4.6 ($6.00/1M tokens).
In conclusion, Grok 4.6 is more expensive than DeepSeek-V4-Flash-0423.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
DeepSeek-V4-Flash-0423 accepts 1,048,576 input tokens compared to Grok 4.6's 500,000 tokens. Only DeepSeek-V4-Flash-0423 specifies output context (65,536 tokens).
Input Capabilities
Supported data types and modalities
Grok 4.6 supports multimodal inputs, whereas DeepSeek-V4-Flash-0423 does not.
Grok 4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-V4-Flash-0423
Grok 4.6
License
Usage and distribution terms
DeepSeek-V4-Flash-0423 is licensed under MIT, while Grok 4.6 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
DeepSeek-V4-Flash-0423 was released on 2026-04-23, while Grok 4.6 was released on 2026-08-12.
Grok 4.6 is 4 months newer than DeepSeek-V4-Flash-0423.
Apr 23, 2026
4 months ago
Aug 12, 2026
1 weeks ago
3mo newerKnowledge Cutoff
When training data ends
Grok 4.6 has a documented knowledge cutoff of 2026-02-01, while DeepSeek-V4-Flash-0423's cutoff date is not specified.
We can confirm Grok 4.6's training data extends to 2026-02-01, but cannot make a direct comparison without DeepSeek-V4-Flash-0423's cutoff date.
—
Feb 2026
Provider Availability
DeepSeek-V4-Flash-0423 is available from DeepInfra, Novita. Grok 4.6 is available from xAI.
DeepSeek-V4-Flash-0423
Grok 4.6
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4-Flash-0423 and Grok 4.6 side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4-Flash-0423 vs Grok 4.6.