DeepSeek-V4-Flash-Vision-Exp vs Grok 4.5
DeepSeek-V4-Flash-Vision-Exp and Grok 4.5 are closely matched at 48.5 and 47.0 on the LLM Stats Score. DeepSeek-V4-Flash-Vision-Exp is 9.1x cheaper per token.
DeepSeek · xAI · Updated for 2026
Which is better?
DeepSeek-V4-Flash-Vision-Exp and Grok 4.5 are closely matched on the overall LLM Stats Score at 48.5 and 47.0.
In the 2 individual benchmarks reported for both models, DeepSeek-V4-Flash-Vision-Exp wins 2; this is a narrower head-to-head signal than the composite indexes.
On price, DeepSeek-V4-Flash-Vision-Exp is roughly 9.1x 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 LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose DeepSeek-V4-Flash-Vision-Exp
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
- cost matters — it's about 9.1x 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
Choose Grok 4.5
- 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
7 reported for DeepSeek-V4-Flash-Vision-Exp · 14 for Grok 4.5
DeepSeek-V4-Flash-Vision-Exp outperforms in 2 benchmarks (DeepSWE, Terminal-Bench 2.1), while Grok 4.5 is better at 0 benchmarks.
DeepSeek-V4-Flash-Vision-Exp 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 9.1x cheaper than Grok 4.5 ($2.00/1M tokens).
For output processing, DeepSeek-V4-Flash-Vision-Exp ($0.66/1M tokens) is 9.1x cheaper than Grok 4.5 ($6.00/1M tokens).
In conclusion, Grok 4.5 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 Grok 4.5's 500,000 tokens. Only DeepSeek-V4-Flash-Vision-Exp specifies output context (393,216 tokens).
Input capabilities
Documented input modalities across available providers
Both DeepSeek-V4-Flash-Vision-Exp and Grok 4.5 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
DeepSeek-V4-Flash-Vision-Exp
Grok 4.5
Release Timeline
When each model was launched
DeepSeek-V4-Flash-Vision-Exp was released on 2026-08-21, while Grok 4.5 was released on 2026-07-16.
DeepSeek-V4-Flash-Vision-Exp is 1 month newer than Grok 4.5.
Aug 21, 2026
1 weeks ago
1mo newerJul 16, 2026
1 months ago
Knowledge Cutoff
When training data ends
Grok 4.5 has a documented knowledge cutoff of 2026-02-01, while DeepSeek-V4-Flash-Vision-Exp's cutoff date is not specified.
We can confirm Grok 4.5's training data extends to 2026-02-01, but cannot make a direct comparison without DeepSeek-V4-Flash-Vision-Exp's cutoff date.
—
Feb 2026
Provider Availability
DeepSeek-V4-Flash-Vision-Exp is available from DeepSeek. Grok 4.5 is available from xAI.
DeepSeek-V4-Flash-Vision-Exp
Grok 4.5
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4-Flash-Vision-Exp and Grok 4.5 side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4-Flash-Vision-Exp vs Grok 4.5.