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GPT-4.1 nano vs o3 Deep Research

Compare OpenAI and OpenAI AI models

OpenAI
GPT-4.1 nano
vs
OpenAI
o3 Deep Research

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

GPT-4.1 nano

Per Request:$0.000300
Daily:$0.03
Monthly:$0.90
Yearly:$10.95

o3 Deep Research

Per Request:$0.03
Daily:$3.00
Monthly:$90.00
Yearly:$1,095.00

Cost Differences

+$0.0297
Per Request
+$2.97
Daily
+$89.10
Monthly
+$1,084.05
Yearly

o3 Deep Research costs more than GPT-4.1 nano

Feature Comparison

FeatureGPT-4.1 nanoo3 Deep Research
ProviderOpenAIOpenAI
Input Price$0.10/1M tokens$10.00/1M tokens
Output Price$0.40/1M tokens$40.00/1M tokens
Context Window128,000 tokens200,000 tokens
Max Output8,192 tokens32,768 tokens
Categoryefficientreasoning
Capabilities
text
textreasoningvisioncode
Release Date4/14/20256/26/2025

GPT-4.1 nano vs o3 Deep Research: Which Should You Choose?

Choosing between GPT-4.1 nano and o3 Deep Research depends on your priorities: cost efficiency, context length, or raw capability. GPT-4.1 nano is the more affordable option at $0.10/1M input tokens99% cheaper than o3 Deep Research. Meanwhile, o3 Deep Research offers a significantly larger context window at 200,000 tokens vs 128,000 for GPT-4.1 nano.

These models target different tiers: GPT-4.1 nano is a efficient model while o3 Deep Research is reasoning. This means they're optimized for different workloads. o3 Deep Research targets more demanding workloads, while GPT-4.1 nano provides a cost-effective option for everyday tasks.

Output costs matter too. GPT-4.1 nano charges $0.40/1M output tokens vs $40.00 for o3 Deep Research. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-4.1 nano has the edge here at $0.40/1M output tokens.

Multimodal capabilities: o3 Deep Research supports vision (image inputs) while GPT-4.1 nano is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose GPT-4.1 nano when:

  • • Budget is a primary concern
  • • You're already using OpenAI's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Choose o3 Deep Research when:

  • • You need a larger context window (200,000 tokens)
  • • You need more capabilities (reasoning, vision, code)
  • • You need longer outputs (up to 32,768 tokens)
  • • You're already using OpenAI's API ecosystem

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

GPT-4.1 nano (OpenAI)

o3 Deep Research (OpenAI)

Start using GPT-4.1 nano today

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Frequently Asked Questions

Which is cheaper, GPT-4.1 nano or o3 Deep Research?
GPT-4.1 nano is cheaper for input tokens at $0.10 per million tokens vs $10.00 for o3 Deep Research — that's 99% savings on input costs.
What is the context window difference between GPT-4.1 nano and o3 Deep Research?
GPT-4.1 nano supports 128,000 tokens while o3 Deep Research supports 200,000 tokens — a difference of 72,000 tokens in favor of o3 Deep Research.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, GPT-4.1 nano is the lower-cost option, while o3 Deep Research offers a larger context window (200,000 vs 128,000 tokens). Choose GPT-4.1 nano for budget sensitivity or o3 Deep Research for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, GPT-4.1 nano costs about $0.90/month and o3 Deep Research costs about $90.00/month. Overall, GPT-4.1 nano has lower combined input + output rates ($0.10 in, $0.40 out) vs o3 Deep Research.

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