DeepSeek-V4-Flash-0731 vs Llama 3.1 8B Instruct
DeepSeek-V4-Flash-0731 leads the LLM Stats Score 44.3 to -2.6. Llama 3.1 8B Instruct is 4.0x cheaper per token.
DeepSeek · Meta · Updated for 2026
Which is better?
DeepSeek-V4-Flash-0731 leads the overall LLM Stats Score 44.3 to -2.6, ranking #39 overall.
On price, Llama 3.1 8B Instruct is roughly 4.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V4-Flash-0731 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-0731
- overall performance matters — it scores 44.3 and ranks #39 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Jul 2026
Choose Llama 3.1 8B Instruct
- cost matters — it's about 4.0x cheaper per token
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for DeepSeek-V4-Flash-0731 · 18 for Llama 3.1 8B Instruct
DeepSeek-V4-Flash-0731 and Llama 3.1 8B Instructdon'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
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-V4-Flash-0731 ($0.06/1M tokens) is 3.0x more expensive than Llama 3.1 8B Instruct ($0.02/1M tokens).
For output processing, DeepSeek-V4-Flash-0731 ($0.18/1M tokens) is 6.0x more expensive than Llama 3.1 8B Instruct ($0.03/1M tokens).
In conclusion, DeepSeek-V4-Flash-0731 is more expensive than Llama 3.1 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
DeepSeek-V4-Flash-0731 has 296.0B more parameters than Llama 3.1 8B Instruct, making it 3700.0% larger.
Context Window
Maximum input and output token capacity
DeepSeek-V4-Flash-0731 accepts 1,048,576 input tokens compared to Llama 3.1 8B Instruct's 131,072 tokens. DeepSeek-V4-Flash-0731 can generate longer responses up to 1,048,576 tokens, while Llama 3.1 8B Instruct is limited to 131,072 tokens.
License
Usage and distribution terms
DeepSeek-V4-Flash-0731 is licensed under MIT, while Llama 3.1 8B Instruct uses Llama 3.1 Community License.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Llama 3.1 Community License
Open weights
Release Timeline
When each model was launched
DeepSeek-V4-Flash-0731 was released on 2026-07-31, while Llama 3.1 8B Instruct was released on 2024-07-23.
DeepSeek-V4-Flash-0731 is 25 months newer than Llama 3.1 8B Instruct.
Jul 31, 2026
1 months ago
2.0yr newerJul 23, 2024
2.2 years ago
Knowledge Cutoff
When training data ends
Llama 3.1 8B Instruct has a documented knowledge cutoff of 2023-12-31, while DeepSeek-V4-Flash-0731's cutoff date is not specified.
We can confirm Llama 3.1 8B Instruct's training data extends to 2023-12-31, but cannot make a direct comparison without DeepSeek-V4-Flash-0731's cutoff date.
—
Dec 2023
Provider Availability
DeepSeek-V4-Flash-0731 is available from DeepInfra, Novita, Fireworks. Llama 3.1 8B Instruct is available from DeepInfra, Lambda, Groq, Sambanova, Cerebras, Hyperbolic, Together, Fireworks, Bedrock.
DeepSeek-V4-Flash-0731
Llama 3.1 8B Instruct
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4-Flash-0731 and Llama 3.1 8B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4-Flash-0731 vs Llama 3.1 8B Instruct.