Comparison
DeepSeek V4 Flash vs GPT-4o
DeepSeek V4 Flash costs 94% less per input token than GPT-4o. Output pricing favors DeepSeek V4 Flash, 97% less per token than GPT-4o. DeepSeek V4 Flash has the larger context window than GPT-4o.
| Field | DeepSeek V4 Flash | GPT-4o Legacy |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Context window | 1M | 128K |
| Max output | 384K | — |
| Input / 1M | $0.1494% cheaper | $2.50 |
| Output / 1M | $0.2897% cheaper | $10.00 |
| Cached input / 1M | $0.0028100% cheaper | $1.25 |
| Batch discount | — | — |
| Release date | — | — |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | DeepSeek V4 Flash | GPT-4o |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $16.80cheaper | $400.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $31.08cheaper | $660.00 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $16.10cheaper | $325.00 |
DeepSeek V4 Flash vs GPT-4o FAQ
- Is DeepSeek V4 Flash cheaper than GPT-4o?
- DeepSeek V4 Flash costs $0.14 per 1M input tokens versus $2.50 for GPT-4o — DeepSeek V4 Flash is 94% cheaper per input token.
- Which is cheaper for output tokens, DeepSeek V4 Flash or GPT-4o?
- DeepSeek V4 Flash charges $0.28 per 1M output tokens; GPT-4o charges $10.00 per 1M output tokens.
- Which has the larger context window, DeepSeek V4 Flash or GPT-4o?
- DeepSeek V4 Flash does, with a 1,000,000-token context window.
- Do DeepSeek V4 Flash and GPT-4o offer cache pricing?
- DeepSeek V4 Flash discounts cached input to $0.0028 per 1M tokens. GPT-4o discounts cached input to $1.25 per 1M tokens.
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