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DeepSeek-V4.1-Flash vs Grok-1.5V

DeepSeek-V4.1-Flash leads the LLM Stats Score 51.8 to -0.8.

DeepSeek · xAI · Updated for 2026

Which is better?

DeepSeek-V4.1-Flash leads the overall LLM Stats Score 51.8 to -0.8, ranking #12 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose DeepSeek-V4.1-Flash

  • overall performance matters — it scores 51.8 and ranks #12 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

Choose Grok-1.5V

  • you are already invested in the xAI ecosystem

At a glance

The differences that matter most.

DeepSeek-V4.1-Flash
DeepSeek
Grok-1.5V
xAI
Core performance indexes
LLM Stats Score
51.8
#12
-0.8
#331
Reasoning
48.9
#17
-0.1
#318
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.22 / M
— / M
Output price
$0.66 / M
— / M
Context window
1,040,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
DeepSeek-V4.1-Flash
Grok-1.5V
Vision
29.5#31
-1.7#187
Multimodal
34.3#13
0.7#151
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

20 reported for DeepSeek-V4.1-Flash · 7 for Grok-1.5V

No common benchmarks found

DeepSeek-V4.1-Flash and Grok-1.5Vdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only DeepSeek-V4.1-Flash specifies input context (1,040,000 tokens). Only DeepSeek-V4.1-Flash specifies output context (393,216 tokens).

DeepSeek
DeepSeek-V4.1-Flash
Input1,040,000 tokens
Output393,216 tokens
xAI
Grok-1.5V
Input- tokens
Output- tokens
Fri Sep 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both DeepSeek-V4.1-Flash and Grok-1.5V support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

DeepSeek-V4.1-Flash

Text
Images
Audio
Video

Grok-1.5V

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4.1-Flash is licensed under MIT, while Grok-1.5V uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

DeepSeek-V4.1-Flash

MIT

Open weights

Grok-1.5V

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V4.1-Flash was released on 2026-09-10, while Grok-1.5V was released on 2024-04-12.

DeepSeek-V4.1-Flash is 29 months newer than Grok-1.5V.

DeepSeek-V4.1-Flash

Sep 10, 2026

0 days ago

2.4yr newer
Grok-1.5V

Apr 12, 2024

2.4 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against DeepSeek-V4.1-Flash and Grok-1.5V side-by-side, then vote on the output you prefer.

DeepSeek-V4.1-Flash
✓ Preferred
Grok-1.5V
Open in Playground

FAQ

Common questions about DeepSeek-V4.1-Flash vs Grok-1.5V.

Which is better, DeepSeek-V4.1-Flash or Grok-1.5V?

DeepSeek-V4.1-Flash leads the LLM Stats Score 51.8 to -0.8. DeepSeek-V4.1-Flash is made by DeepSeek and Grok-1.5V is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek-V4.1-Flash compare to Grok-1.5V in benchmarks?

DeepSeek-V4.1-Flash scores CodeForces: 100.0%, GPQA: 90.9%, Terminal-Bench 2.1: 90.6%, BabyVision: 89.6%, CyberGym: 88.1%. Grok-1.5V scores AI2D: 88.3%, DocVQA: 85.6%, TextVQA: 78.1%, ChartQA: 76.1%, RealWorldQA: 68.7%.

What are the context window sizes for DeepSeek-V4.1-Flash and Grok-1.5V?

DeepSeek-V4.1-Flash supports 1.0M tokens and Grok-1.5V supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V4.1-Flash and Grok-1.5V?

Key differences include LLM Stats Score (51.8 vs -0.8), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4.1-Flash and Grok-1.5V?

DeepSeek-V4.1-Flash is developed by DeepSeek and Grok-1.5V is developed by xAI.

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