Comparison
DeepSeek V4 Flash vs Grok 4.3
Per input token, DeepSeek V4 Flash runs 89% cheaper than Grok 4.3. Output pricing favors DeepSeek V4 Flash, 89% less per token than Grok 4.3.
| Field | DeepSeek V4 Flash | Grok 4.3 |
|---|---|---|
| Provider | DeepSeek | xAI |
| Context window | 1M | 1M |
| Max output | 384K | — |
| Input / 1M | $0.1489% cheaper | $1.25 |
| Output / 1M | $0.2889% cheaper | $2.50 |
| Cached input / 1M | $0.002899% cheaper | $0.20 |
| Batch discount | — | — |
| Release date | — | — |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | DeepSeek V4 Flash | Grok 4.3 |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $16.80cheaper | $150.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $31.08cheaper | $277.50 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $16.10cheaper | $143.75 |
DeepSeek V4 Flash vs Grok 4.3 FAQ
- Is DeepSeek V4 Flash cheaper than Grok 4.3?
- DeepSeek V4 Flash costs $0.14 per 1M input tokens versus $1.25 for Grok 4.3 — DeepSeek V4 Flash is 89% cheaper per input token.
- Which is cheaper for output tokens, DeepSeek V4 Flash or Grok 4.3?
- DeepSeek V4 Flash charges $0.28 per 1M output tokens; Grok 4.3 charges $2.50 per 1M output tokens.
- Which has the larger context window, DeepSeek V4 Flash or Grok 4.3?
- DeepSeek V4 Flash does, with a 1,000,000-token context window.
- Do DeepSeek V4 Flash and Grok 4.3 offer cache pricing?
- DeepSeek V4 Flash discounts cached input to $0.0028 per 1M tokens. Grok 4.3 discounts cached input to $0.20 per 1M tokens.
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