GPT-4.1 vs o4-mini Deep Research
Pricing verdict: GPT-4.1 vs o4-mini Deep Research: pricing is a tie at $2.00/M input and $8.00/M output. There is no direct price edge, so choose based on capabilities and workflow fit.
Direct answer: pricing is a tie. Choose the model that best fits your capabilities, latency, and provider preferences.
Compare API pricing, input and output token costs, context windows, and monthly estimates on one page so you can pick the right model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
GPT-4.1
o4-mini Deep Research
Cost Differences
Both models cost the same at the default workload.
Quick Recommendation
Direct API pricing is a tie at the default workload: both land around $18.00/month. Choose the model that better fits your workflow.
Feature Comparison
| Feature | GPT-4.1 | o4-mini Deep Research |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input Price | $2.00/1M tokens | $2.00/1M tokens |
| Output Price | $8.00/1M tokens | $8.00/1M tokens |
| Context Window | 200,000 tokens | 200,000 tokens |
| Max Output | 32,768 tokens | 32,768 tokens |
| Category | flagship | reasoning |
| Capabilities | textvisioncode | textreasoningcode |
| Release Date | 4/14/2025 | 6/26/2025 |
GPT-4.1 vs o4-mini Deep Research: Which Should You Choose?
Choosing between GPT-4.1 and o4-mini Deep Research depends on your priorities: cost efficiency, context length, or raw capability. Both models cost the same on input and output tokens, so raw price is a tie.
These models target different tiers: GPT-4.1 is a flagship model while o4-mini Deep Research is reasoning. This means they're optimized for different workloads. GPT-4.1 is built for complex tasks that require deeper reasoning, while o4-mini Deep Research offers better value for routine operations.
Output costs matter too. GPT-4.1 charges $8.00/1M output tokens vs $8.00 for o4-mini Deep Research.
Multimodal capabilities: GPT-4.1 supports vision (image inputs) while o4-mini Deep Research is text-only. If your application needs image understanding, this narrows your choice.
Best Use Cases
Choose GPT-4.1 when:
- • You're already using OpenAI's API ecosystem
Choose o4-mini Deep Research when:
- • You're already using OpenAI's API ecosystem
Pros and Caveats at a Glance
GPT-4.1
- • 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
- • Trade-offs are minor in this matchup.
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
- • Trade-offs are minor in this matchup.
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
GPT-4.1 (OpenAI)
o4-mini Deep Research (OpenAI)
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