head-to-head

DeepSeek: DeepSeek V4.1 Flash 1017 (batch) vs OpenAI: GPT-6 Sol

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

DeepSeek: DeepSeek V4.1 Flash 1017 (batch) OpenAI: GPT-6 Sol
Vendordeepseekopenai
Quality Score100100
Input Price$0.01/M$2.00/M
Output Price$0.20/M$10.00/M
Context Window1,048,5761,050,000
Max Output943,718128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, DeepSeek V4.1 Flash 1017 (batch) costs $0.061 and GPT-6 Sol costs $4.50, so DeepSeek V4.1 Flash 1017 (batch) is about 73.8 times cheaper for the same work.

Both take in a similar amount of text: 1,048,576 and 1,050,000 tokens, about 1,573 and 1,575 pages.

Across the 10 tasks where they differ, DeepSeek V4.1 Flash 1017 (batch) scores higher on 10 (SQL Generation, Code Completion, Code Documentation and others).

DeepSeek V4.1 Flash 1017 (batch) was released in October 2026 and GPT-6 Sol in September 2026.

Pick DeepSeek V4.1 Flash 1017 (batch) if you need lower cost or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskDeepSeek: DeepSeek V4.1 Flash 1017 (batch)OpenAI: GPT-6 Sol
SQL Generation 134 132
Code Completion 132 117
Code Documentation 132 129
Regex Writing 120 117
CSV / Spreadsheet Cleanup 134 132
JSON Extraction 132 121
Bulk Data Labeling 129 118
Long-Document Summarization 138 136
Short-Form Summarization 124 113
Blog Post Writing 122 120

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

Related comparisons

Tencent: Hy4 vs DeepSeek: DeepSeek V4.1 Flash 1017 (batch) Tencent: Hy4 vs OpenAI: GPT-6 Sol Crouton Alpha vs DeepSeek: DeepSeek V4.1 Flash 1017 (batch) Crouton Alpha vs OpenAI: GPT-6 Sol Z.ai: GLM 5.3 FlashX Legal vs DeepSeek: DeepSeek V4.1 Flash 1017 (batch) Z.ai: GLM 5.3 FlashX Legal vs OpenAI: GPT-6 Sol Particle AI: Particle-1 vs DeepSeek: DeepSeek V4.1 Flash 1017 (batch) Particle AI: Particle-1 vs OpenAI: GPT-6 Sol

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.