Grok 3 Mini vs o4-mini Deep Research
Grok 3 Mini vs o4-mini Deep Research: Grok 3 Mini is cheaper for input-heavy usage ($0.30/M vs $2.00/M input tokens), while o4-mini Deep Research is better for long-context tasks (200,000 tokens).
Direct answer: choose Grok 3 Mini for lower token spend and choose o4-mini Deep Research when your workload needs longer context.
Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Grok 3 Mini
o4-mini Deep Research
Cost Differences
o4-mini Deep Research costs more than Grok 3 Mini
Quick Recommendation
Winner for direct API pricing: Grok 3 Mini. At the default workload, Grok 3 Mini saves about $16.35/month ($198.925/year) versus o4-mini Deep Research.
Feature Comparison
| Feature | Grok 3 Mini | o4-mini Deep Research |
|---|---|---|
| Provider | xAI | OpenAI |
| Input Price | $0.30/1M tokens | $2.00/1M tokens |
| Output Price | $0.50/1M tokens | $8.00/1M tokens |
| Context Window | 128,000 tokens | 200,000 tokens |
| Max Output | 131,072 tokens | 32,768 tokens |
| Category | efficient | reasoning |
| Capabilities | textreasoningcode | textreasoningcode |
| Release Date | 2/17/2025 | 6/26/2025 |
Grok 3 Mini vs o4-mini Deep Research: Which Should You Choose?
Choosing between Grok 3 Mini and o4-mini Deep Research depends on your priorities: cost efficiency, context length, or raw capability. Grok 3 Mini is the more affordable option at $0.30/1M input tokens — 85% cheaper than o4-mini Deep Research. Meanwhile, o4-mini Deep Research offers a significantly larger context window at 200,000 tokens vs 128,000 for Grok 3 Mini.
These models come from different providers — xAI and OpenAI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with xAI, switching to OpenAIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.
These models target different tiers: Grok 3 Mini is a efficient model while o4-mini Deep Research is reasoning. This means they're optimized for different workloads. o4-mini Deep Research targets more demanding workloads, while Grok 3 Mini provides a cost-effective option for everyday tasks.
Output costs matter too. Grok 3 Mini charges $0.50/1M output tokens vs $8.00 for o4-mini Deep Research. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Grok 3 Mini has the edge here at $0.50/1M output tokens.
Best Use Cases
Choose Grok 3 Mini when:
- • Budget is a primary concern
- • You need longer outputs (up to 131,072 tokens)
- • You're already using xAI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose o4-mini Deep Research when:
- • You need a larger context window (200,000 tokens)
- • You're already using OpenAI's API ecosystem
Pros and Caveats at a Glance
Grok 3 Mini
- • Input pricing: $0.30/M tokens
- • Output pricing: $0.50/M tokens
- • Context window: 128,000 tokens
- • Max output: 131,072 tokens
Watch out for
- • Smaller context window than o4-mini Deep Research
o4-mini Deep Research
- • Input pricing: $2.00/M tokens
- • Output pricing: $8.00/M tokens
- • Context window: 200,000 tokens
- • Max output: 32,768 tokens
Watch out for
- • Higher input cost than Grok 3 Mini
- • Higher output cost than Grok 3 Mini
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Grok 3 Mini (xAI)
o4-mini Deep Research (OpenAI)
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Sign Up for OpenAI →Frequently Asked Questions
Which is cheaper, Grok 3 Mini or o4-mini Deep Research?▼
What is the context window difference between Grok 3 Mini and o4-mini Deep Research?▼
Which model is better for AI Agent / Agentic Workflows?▼
Which model has better overall pricing for heavy usage?▼
Where can I compare xAI and OpenAI API pricing beyond this model matchup?▼
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