DeepSeek-V4.1-Flash vs Grok 4.6
DeepSeek-V4.1-Flash and Grok 4.6 are closely matched at 51.8 and 46.7 on the LLM Stats Score. DeepSeek-V4.1-Flash is 9.1x cheaper per token.
DeepSeek · xAI · Updated for 2026
Which is better?
DeepSeek-V4.1-Flash and Grok 4.6 are closely matched on the overall LLM Stats Score at 51.8 and 46.7.
In the 3 individual benchmarks reported for both models, DeepSeek-V4.1-Flash wins 3; this is a narrower head-to-head signal than the composite indexes.
On price, DeepSeek-V4.1-Flash is roughly 9.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V4.1-Flash also accepts a larger context window (1,040,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose DeepSeek-V4.1-Flash
- you value its reported benchmark strengths — it wins 3 of 3 exact shared results
- cost matters — it's about 9.1x cheaper per token
- you process long inputs — it offers a 1,040,000 token context window
- you want the most recent training data — it shipped Sep 2026
- you need open weights you can self-host or fine-tune
Choose Grok 4.6
- you want predictable pricing at $2.00/M input and $6.00/M output
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
20 reported for DeepSeek-V4.1-Flash · 11 for Grok 4.6
DeepSeek-V4.1-Flash outperforms in 3 benchmarks (DeepSWE 1.1, Terminal-Bench 3.0, Terminal-Bench 4.0), while Grok 4.6 is better at 0 benchmarks.
DeepSeek-V4.1-Flash 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-V4.1-Flash ($0.22/1M tokens) is 9.1x cheaper than Grok 4.6 ($2.00/1M tokens).
For output processing, DeepSeek-V4.1-Flash ($0.66/1M tokens) is 9.1x cheaper than Grok 4.6 ($6.00/1M tokens).
In conclusion, Grok 4.6 is more expensive than DeepSeek-V4.1-Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
DeepSeek-V4.1-Flash accepts 1,040,000 input tokens compared to Grok 4.6's 500,000 tokens. Only DeepSeek-V4.1-Flash specifies output context (393,216 tokens).
Input capabilities
Documented input modalities across available providers
Both DeepSeek-V4.1-Flash and Grok 4.6 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
DeepSeek-V4.1-Flash
Grok 4.6
License
Usage and distribution terms
DeepSeek-V4.1-Flash 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-V4.1-Flash was released on 2026-09-10, while Grok 4.6 was released on 2026-08-12.
DeepSeek-V4.1-Flash is 1 month newer than Grok 4.6.
Sep 10, 2026
1 weeks ago
4w newerAug 12, 2026
1 months ago
Knowledge Cutoff
When training data ends
Grok 4.6 has a documented knowledge cutoff of 2026-02-01, while DeepSeek-V4.1-Flash'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-V4.1-Flash's cutoff date.
—
Feb 2026
Provider Availability
DeepSeek-V4.1-Flash is available from Fireworks, DeepInfra, DeepSeek, Novita. Grok 4.6 is available from xAI.
DeepSeek-V4.1-Flash
Grok 4.6
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4.1-Flash and Grok 4.6 side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4.1-Flash vs Grok 4.6.