ModelRefs / GPT-5 Mini vs DeepSeek V3 — Benchmarks, Pricing & Coding Co…
GPT-5 Mini vs DeepSeek V3 — Benchmarks, Pricing & Coding Co…
GPT-5 Mini vs DeepSeek V3: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
GPT-5 Mini: GPT-5 Mini is OpenAI's August 2025 cost-efficient reasoning model for well-defined, latency-sensitive, and high-volume workloads. The API model supports text input and output, image input, configurable reasoning effort, and an immutable gpt-5-mini-2025-08-07 snapshot; OpenAI now classifies it as a previous-generation model.
Context window: DeepSeek V3 accepts up to 128,000 tokens, GPT-5 Mini up to 400,000. Confirm the limit for your specific deployment channel before relying on it.
DeepSeek V3 vs GPT-5 Mini at a glance
| Attribute | DeepSeek V3 | GPT-5 Mini |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Released | 2024-12-26 | 2025-08-07 |
| Context window | 128,000 tokens | 400,000 tokens |
| Input price | $0.27/M tokens | $0.25/M tokens |
| Output price | $1.1/M tokens | $2/M tokens |
| Licence | MIT | Proprietary |
| Self-hostable | Yes, open weights | No, hosted only |
| Modalities | text | text, vision |
Where they differ most
- Reasoning: DeepSeek V3 76%, GPT-5 Mini 87%. GPT-5 Mini leads on this dimension.
- Cost Efficiency: DeepSeek V3 85%, GPT-5 Mini 78%. DeepSeek V3 leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to GPT-5 Mini vs DeepSeek V3 — Benchmarks, Pricing & Coding Co….
Frequently asked questions
Which is better, GPT-5 Mini or DeepSeek V3?
GPT-5 Mini and DeepSeek V3 target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is GPT-5 Mini cheaper than DeepSeek V3?
Compare $0.00025 vs $0.00027 on this page.