DeepSeek: DeepSeek V4 Flash 0731 vs OpenAI: GPT-5.4 Nano (batch)
Here is how DeepSeek: DeepSeek V4 Flash 0731 and OpenAI: GPT-5.4 Nano (batch) compare on specs and pricing. OpenAI: GPT-5.4 Nano (batch) is cheaper on input tokens at $0.10/1M vs $0.14/1M for DeepSeek: DeepSeek V4 Flash 0731. DeepSeek: DeepSeek V4 Flash 0731 offers the larger context window at 1M tokens.
DeepSeek: DeepSeek V4 Flash 0731 vs OpenAI: GPT-5.4 Nano (batch): which should you use?
Choose DeepSeek: DeepSeek V4 Flash 0731 if…
- It sees more real traffic — #1 overall on OpenRouter's weekly ranking.
- Cheaper to write — $0.28 vs $0.63 per 1M output tokens, the line item that decides generation-heavy costs.
- Bigger context window — 1M vs 400K tokens.
- It is the newer model — released Jul 2026 against Mar 2026.
Choose OpenAI: GPT-5.4 Nano (batch) if…
- Cheaper to read — $0.10 vs $0.14 per 1M input tokens, which is what dominates long-prompt and RAG workloads.
- It accepts file, image input, which DeepSeek: DeepSeek V4 Flash 0731 does not.
Spec Comparison
| Spec | DeepSeek: DeepSeek V4 Flash 0731 | OpenAI: GPT-5.4 Nano (batch) |
|---|---|---|
| Author | deepseek | openai |
| Input price (per 1M tokens) | $0.14 | $0.10 |
| Output price (per 1M tokens) | $0.28 | $0.63 |
| Context window | 1M | 400K |
| Input modalities | text | file, image, text |
| Output modalities | text | text |
| AA Intelligence | 51.8 | — |
| AA Coding | 69.1 | — |
| AA Agentic | 48.4 | — |
| Released | Jul 2026 | Mar 2026 |
What DeepSeek: DeepSeek V4 Flash 0731 and OpenAI: GPT-5.4 Nano (batch) actually cost to run
On a read-heavy job — 1M tokens in, 100K out — DeepSeek: DeepSeek V4 Flash 0731 costs $0.17 and OpenAI: GPT-5.4 Nano (batch) costs $0.16.
Flip the shape — 100K in, 1M out — and it becomes $0.29 for DeepSeek: DeepSeek V4 Flash 0731 versus $0.64 for OpenAI: GPT-5.4 Nano (batch).
Both figures are the published per-token rates multiplied out; caching and batch discounts are not included.
Usage Rank by Task
| Task | DeepSeek: DeepSeek V4 Flash 0731 | OpenAI: GPT-5.4 Nano (batch) |
|---|---|---|
| Overall | #1 | — |
| Memory Extraction | #6 | — |
| Multi-step Planning | #2 | — |
| Tool Dispatch | #2 | — |
| Web Search | #4 | — |
| Agent Workflows | #5 | — |
| Classification & Tagging | #9 | — |
| Debugging | #3 | — |
| DevOps Config | #2 | — |
| File Read/Write | #3 | — |
| Frontend UI | #2 | — |
| Code Implementation | #3 | — |
| Repo Analysis | #3 | — |
| Code Review & Security | #3 | — |
| Shell Execution | #6 | — |
About DeepSeek: DeepSeek V4 Flash 0731 and OpenAI: GPT-5.4 Nano (batch)
DeepSeek: DeepSeek V4 Flash 0731
Built by deepseek · released Jul 2026 · 1M-token context
DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....
OpenAI: GPT-5.4 Nano (batch)
Built by openai · released Mar 2026 · 400K-token context
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
Related comparisons
- DeepSeek: DeepSeek V4 Flash 0731 vs Tencent: Hy3
- DeepSeek: DeepSeek V4 Flash 0731 vs OpenAI: GPT-5.6 Luna (batch)
- DeepSeek: DeepSeek V4 Flash 0731 vs DeepSeek: DeepSeek V4 Flash 0423
- OpenAI: GPT-5.4 Nano (batch) vs Tencent: Hy3
- OpenAI: GPT-5.4 Nano (batch) vs OpenAI: GPT-5.6 Luna (batch)
- OpenAI: GPT-5.4 Nano (batch) vs DeepSeek: DeepSeek V4 Flash 0423
Get notified when DeepSeek: DeepSeek V4 Flash 0731 or OpenAI: GPT-5.4 Nano (batch) moves
Usage ranks and prices refresh weekly. We email you when they move — once a week, no spam.
FAQ
Which is better, DeepSeek: DeepSeek V4 Flash 0731 or OpenAI: GPT-5.4 Nano (batch)?
Here is how DeepSeek: DeepSeek V4 Flash 0731 and OpenAI: GPT-5.4 Nano (batch) compare on specs and pricing. OpenAI: GPT-5.4 Nano (batch) is cheaper on input tokens at $0.10/1M vs $0.14/1M for DeepSeek: DeepSeek V4 Flash 0731. DeepSeek: DeepSeek V4 Flash 0731 offers the larger context window at 1M tokens.
Which is cheaper, DeepSeek: DeepSeek V4 Flash 0731 or OpenAI: GPT-5.4 Nano (batch)?
OpenAI: GPT-5.4 Nano (batch) is cheaper at $0.10 per 1M input tokens. Output pricing: DeepSeek: DeepSeek V4 Flash 0731 $0.28, OpenAI: GPT-5.4 Nano (batch) $0.63.
Usage ranks are weekly data aggregated by OpenRouter. Prices are USD per 1M tokens.