Open-weight MoE non-reasoning model with front-end coding, Chinese writing and function-calling upgrades over the original DeepSeek V3.
Output Speed *
Intelligence Index *
Context Window *
Input price
Output price
Performance
Largest Gains Came on AIME and GPQA, Without a Reasoning Mode
Benchmarks
Independent Data: Index Score of 10, Concise Outputs, Wide Provider Speed Spread
Output Speed
Intelligence Index
MMLU *
GPQA *
HLE *
LiveCodeBench *
Technical Specifications
What the model supports
Comparison
DeepSeek V3 0324 or DeepSeek V3.1: Is the Older Checkpoint Still Worth Using?
DeepSeek V3.1 is the direct successor in the V3 line, and both models are 671B-class Mixture-of-Experts models with 128K context. The key difference is mode: V3 0324 is non-thinking only, while V3.1 is a hybrid that supports thinking and non-thinking. Artificial Analysis scores V3.1 non-reasoning at 14 versus 10 for V3 0324. The practical decision is whether to keep a known checkpoint or move to the newer one for stronger tool and agent behavior.
Choose DeepSeek V3 0324 when your prompts, evals or output formats are already validated against this exact checkpoint and you want to avoid behavior drift, or when your host serves it with better latency or cost. Choose DeepSeek V3.1 when you want higher independent intelligence scores, optional thinking in a single model, or stronger tool and agent use. For new builds with no pinning requirement, V3.1 is the more sensible default.
Limitations & Trade-offs
Best-Fit Workloads
Where this model earns its place
Front-end and web code generation
DeepSeek lists optimized front-end web development as an explicit upgrade, and LiveCodeBench rose from 39.2 to 49.2 over the original V3 (provider-reported). It fits UI scaffolding, component generation and game front-ends where an immediate answer matters. It lacks a thinking mode, so complex architectural refactors or algorithmic debugging are better sent to a reasoning model.
Function-calling assistants
The model card reports increased function-calling accuracy over earlier V3 versions and lists JSON output support. With no hidden reasoning tokens, tool-selection steps return directly, which suits routing and lookup agents with defined schemas. For long multi-step agent loops, V3.1 is reported to be stronger on tool and agent use.
Chinese-language writing and report analysis
DeepSeek highlights upgraded Chinese writing proficiency and more detailed outputs for Chinese search-based report analysis. This makes the model a practical choice for Chinese content drafting, translation-adjacent tasks and report generation. Its July 2024 knowledge cutoff means current facts should come from retrieved sources rather than model memory.
Pinned open-weight baselines
As a dated MIT-licensed checkpoint with published weights, V3 0324 is a stable reference for regression tests and for comparing against V3.1 or newer models on your own prompts. It also helps teams validate whether a migration changes output format or tool-call behavior. It is less suited to being the long-term default for new products.