head-to-head
DeepSeek: DeepSeek Flash Latest vs OpenAI: GPT Luna Latest
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| DeepSeek: DeepSeek Flash Latest | OpenAI: GPT Luna Latest | |
|---|---|---|
| Vendor | ~deepseek | ~openai |
| Quality Score | 100 | 100 |
| Input Price | $0.01/M | $0.10/M |
| Output Price | $0.50/M | $0.50/M |
| Context Window | 1,048,576 | 1,050,000 |
| Max Output | 943,718 | 128,000 |
| 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 $0.13 and GPT Luna Latest costs $0.23, so DeepSeek Flash Latest is about 1.7 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.
Pick DeepSeek Flash Latest if you need lower cost.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
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