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DeepSeek V4 Pro vs GPT-5.4 Nano
List-price comparison · DeepSeek V4 Pro details · GPT-5.4 Nano details
For a typical workload (100,000 requests / mo), GPT-5.4 Nano costs 15% less — $74.00/mo vs $87.00/mo.
| DeepSeek V4 Pro | GPT-5.4 Nano | |
|---|---|---|
| Input / 1M tokens | $0.435 | $0.200 |
| Output / 1M tokens | $0.870 | $1.25 |
| Typical request (1,200 in + 400 out) | $0.0009 | $0.0007 |
| Context window | 1,048,576 tokens | 400k tokens |
| Max output | 384k tokens | 128k tokens |
| Tier | Flash | Flash |
| Provider | DeepSeek | OpenAI |
Projected monthly cost
1,000 requests / month$0.87 vs $0.7410,000 requests / month$8.70 vs $7.40100,000 requests / month$87.00 vs $74.00
Rows open both models in the calculator — adjust volume and token counts there.
DeepSeek V4 Pro
Auto-synced from OpenRouter — no editorial write-up yet.
GPT-5.4 Nano
Cheapest OpenAI option for high-throughput classification, tagging, and routing — ideal as a first-pass filter before a stronger model.
Limited reasoning depth means it should be treated as a triage layer, not a final answer source, for anything business-critical.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.