DeepSeek: DeepSeek V3.2 vs OpenAI: o3 Mini High (batch)
Head-to-head API pricing and cost comparison between DeepSeek’s DeepSeek: DeepSeek V3.2 and OpenAI’s OpenAI: o3 Mini High (batch). Prices auto-refresh daily from OpenRouter.
DeepSeek: DeepSeek V3.2 is 53% cheaper for input tokens; DeepSeek: DeepSeek V3.2 also wins on output tokens.
Side-by-side comparison
| Spec | DeepSeek: DeepSeek V3.2 | OpenAI: o3 Mini High (batch) |
|---|---|---|
| Input price (per 1M) | $0.26 | $0.55 |
| Cached input (per 1M) | $0.13 | $0.28 |
| Output price (per 1M) | $0.38 | $2.20 |
| Batch input (per 1M) | — | $0.28 |
| Batch output (per 1M) | — | $1.10 |
| Reasoning price (per 1M) | — | — |
| Context window | 164K | 200K |
| Vision support | No | No |
| Caching support | Yes | Yes |
| Batch API | No | Yes |
| Reasoning capability | No | Yes |
Monthly cost at volume
Estimated monthly API spend at common production traffic levels (input/output tokens per request shown).
| Volume | DeepSeek: DeepSeek V3.2 | OpenAI: o3 Mini High (batch) | Savings |
|---|---|---|---|
1K req/day 500in / 200out tokens | $6.18 | $21.45 | $15.27 DeepSeek: DeepSeek V3.2 wins |
10K req/day 1500in / 500out tokens | $174.00 | $577.50 | $403.50 DeepSeek: DeepSeek V3.2 wins |
100K req/day 3000in / 800out tokens | $3,252 | $10,230 | $6,978 DeepSeek: DeepSeek V3.2 wins |
1M req/day 8000in / 2000out tokens | $85,200 | $264,000 | $178,800 DeepSeek: DeepSeek V3.2 wins |
Adjust input/output token counts, request volume, batch & cached pricing.
Related comparisons
Frequently asked questions
Which is cheaper, DeepSeek: DeepSeek V3.2 or OpenAI: o3 Mini High (batch)?
For input tokens, DeepSeek: DeepSeek V3.2 is roughly 53% cheaper at $0.26/1M vs $0.55/1M. For output tokens, DeepSeek: DeepSeek V3.2 wins at $0.38/1M. Real-world cost depends on your input/output ratio — use the calculator to model your actual workload.
What’s the context window difference?
DeepSeek: DeepSeek V3.2 has a context window of 164K tokens. OpenAI: o3 Mini High (batch) offers 200K tokens. Larger context windows are valuable for long documents, RAG pipelines, and multi-turn conversations — but they come with higher input-token bills if you fill them every request.
Should I use DeepSeek: DeepSeek V3.2 or OpenAI: o3 Mini High (batch)?
Choose DeepSeek: DeepSeek V3.2 if you’re already on the DeepSeek stack, want broad ecosystem support, or prefer its lower input price. Choose OpenAI: o3 Mini High (batch) for OpenAI’s ecosystem, or its differentiated capabilities. Run a small benchmark on your own prompts before committing — price is only one axis.
How are these prices kept current?
Prices are pulled directly from OpenRouter’s public models API once every 24 hours via a Convex cron job, then normalized to per-1M-token figures. Last refresh: Aug 27, 2026.