head-to-head

DeepSeek: DeepSeek Flash Latest vs OpenAI: GPT Sol Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-27.

DeepSeek: DeepSeek Flash Latest OpenAI: GPT Sol Latest
Vendor~deepseek~openai
Quality Score100100
Input Price$0.04/M$2.00/M
Output Price$0.29/M$10.00/M
Context Window1,048,5761,050,000
Max Output384,000128,000
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 Flash Latest costs $0.11 and GPT Sol Latest costs $4.50, so DeepSeek Flash Latest is about 41.9 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 Flash Latest scores higher on 10 (SQL Generation, Code Completion, Code Documentation and others).

Pick DeepSeek Flash Latest 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 Flash LatestOpenAI: GPT Sol Latest
SQL Generation 134 132
Code Completion 131 117
Code Documentation 131 129
Regex Writing 119 117
CSV / Spreadsheet Cleanup 134 132
JSON Extraction 131 121
Bulk Data Labeling 129 118
Long-Document Summarization 138 136
Short-Form Summarization 123 113
Blog Post Writing 122 120

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

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