▸ compare
OpenAI: GPT-5.4 vs DeepSeek: DeepSeek V4 Flash
Side-by-side benchmark comparison based on independent public data. Scores, pricing, context, and task breakdown.
▸ verdict
OpenAI: GPT-5.4
89.9
higher score
vs
DeepSeek: DeepSeek V4 Flash
80.5
OpenAI: GPT-5.4 leads with a higher composite benchmark score. It's the stronger choice for general-purpose tasks based on public benchmark data.
▸ score breakdown
| Task | OpenAI: GPT-5.4 | DeepSeek: DeepSeek V4 Flash | Δ |
|---|---|---|---|
| Overall | 89.9 | 80.5 | +9.4 |
| Coding | — | — | — |
| Reasoning | 74.2 | — | — |
| Math | — | — | — |
| Writing | 88.7 | — | — |
| JSON | — | — | — |
▸ specs & pricing
| Attribute | OpenAI: GPT-5.4 | DeepSeek: DeepSeek V4 Flash |
|---|---|---|
| Provider | Openai | Deepseek |
| Context window | 1M | 1M |
| Input $/M tokens | $2.50/M | $0.09/M |
| Output $/M tokens | $15.00/M | $0.18/M |
| Weights | proprietary | proprietary |
▸ frequently asked
Is OpenAI: GPT-5.4 better than DeepSeek: DeepSeek V4 Flash?
OpenAI: GPT-5.4 scores higher overall (89.9 vs 80.5) in the benchmark composite. The best choice depends on the specific use case and budget.
Which is cheaper: OpenAI: GPT-5.4 or DeepSeek: DeepSeek V4 Flash?
DeepSeek: DeepSeek V4 Flash is cheaper at $0.09/M input tokens vs $2.5/M for OpenAI: GPT-5.4.
Which model is better for coding?
Both models perform similarly on coding benchmarks (SWE-Bench, Aider Polyglot, LiveCodeBench).