DeepSeek-V4.1-Flash-1017 vs GPT-6 Luna

A direct, empirical evaluation of DeepSeek-V4.1-Flash-1017 (DeepSeek) against GPT-6 Luna (OpenAI).

DeepSeek-V4.1-Flash-1017

Developed by DeepSeek · Open-Weight Distilled Transformer (MIT License) parameters

Top-tier open-weight coding (81.6% SWE-bench Verified), concise reasoning traces with 32% lower token bloat, and fast consumer GPU self-hosting.

GPT-6 Luna

Developed by OpenAI · Proprietary High-Throughput Distillation parameters

High-throughput document extraction, sub-second routing, customer service triage, code autocomplete, and cost-optimized reasoning via Luna Pro mode.

Metric DeepSeek-V4.1-Flash-1017 GPT-6 Luna
SWE-bench Verified 81.6% 48.2%
MMLU-Pro 92.8% 74.6%
MATH-500 94.8% 84.1%
Context Window 128,000 tokens 1,050,000 tokens
Input Pricing (per 1M) $0.14 $0.10
Output Pricing (per 1M) $0.28 $0.50

Architectural & Practical Deployment Analysis

Evaluating DeepSeek-V4.1-Flash-1017 (DeepSeek) alongside GPT-6 Luna (OpenAI) highlights key technical trade-offs across neural parameter scale and compute efficiency. DeepSeek-V4.1-Flash-1017 executes across Open-Weight Distilled Transformer (MIT License) total parameters with Multi-Head Latent Attention (MLA) Core active per token, whereas GPT-6 Luna operates on Proprietary High-Throughput Distillation parameters with Fast Utility & Speculative Decoder active per token.

On SWE-bench Verified software engineering tasks, DeepSeek-V4.1-Flash-1017 achieves 81.6% autonomous resolution rate, compared to 48.2% for GPT-6 Luna. On complex reasoning benchmarks, DeepSeek-V4.1-Flash-1017 posts 92.8% on MMLU-Pro and 94.8% on MATH-500, against 74.6% and 84.1% respectively for GPT-6 Luna.

From an operational economics perspective, processing 10,000,000 mixed tokens (7M input / 3M output) costs approximately $1.82 on DeepSeek-V4.1-Flash-1017 versus $2.20 on GPT-6 Luna.

Recommendation: Deploy DeepSeek-V4.1-Flash-1017 when your infrastructure prioritizes top-tier open-weight coding (81.6% swe-bench verified), concise reasoning traces with 32% lower token bloat, and fast consumer gpu self-hosting.. Deploy GPT-6 Luna when workload requirements favor high-throughput document extraction, sub-second routing, customer service triage, code autocomplete, and cost-optimized reasoning via luna pro mode..