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GPT-4.1 mini vs o4-mini

GPT-4.1 mini vs o4-mini: GPT-4.1 mini is cheaper for input-heavy usage ($0.40/M vs $1.10/M input tokens), while o4-mini is better for long-context tasks (2,000,000 tokens).

Direct answer: choose GPT-4.1 mini for lower token spend and choose o4-mini 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.

OpenAI
GPT-4.1 mini
vs
OpenAI
o4-mini

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

GPT-4.1 mini

Per Request:$0.001200
Daily:$0.12
Monthly:$3.60
Yearly:$43.80

o4-mini

Per Request:$0.003300
Daily:$0.33
Monthly:$9.90
Yearly:$120.45

Cost Differences

+$0.002100
Per Request
+$0.21
Daily
+$6.30
Monthly
+$76.65
Yearly

o4-mini costs more than GPT-4.1 mini

Quick Recommendation

Winner for direct API pricing: GPT-4.1 mini. At the default workload, GPT-4.1 mini saves about $6.30/month ($76.65/year) versus o4-mini.

Feature Comparison

FeatureGPT-4.1 minio4-mini
ProviderOpenAIOpenAI
Input Price$0.40/1M tokens$1.10/1M tokens
Output Price$1.60/1M tokens$4.40/1M tokens
Context Window200,000 tokens2,000,000 tokens
Max Output16,384 tokens131,072 tokens
Categoryefficientreasoning
Capabilities
textvisioncode
textreasoningcode
Release Date4/14/20254/16/2025

GPT-4.1 mini vs o4-mini: Which Should You Choose?

Choosing between GPT-4.1 mini and o4-mini depends on your priorities: cost efficiency, context length, or raw capability. GPT-4.1 mini is the more affordable option at $0.40/1M input tokens64% cheaper than o4-mini. Meanwhile, o4-mini offers a significantly larger context window at 2,000,000 tokens vs 200,000 for GPT-4.1 mini.

These models target different tiers: GPT-4.1 mini is a efficient model while o4-mini is reasoning. This means they're optimized for different workloads. o4-mini targets more demanding workloads, while GPT-4.1 mini provides a cost-effective option for everyday tasks.

Output costs matter too. GPT-4.1 mini charges $1.60/1M output tokens vs $4.40 for o4-mini. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-4.1 mini has the edge here at $1.60/1M output tokens.

Multimodal capabilities: GPT-4.1 mini supports vision (image inputs) while o4-mini is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose GPT-4.1 mini when:

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

Choose o4-mini when:

  • • You need a larger context window (2,000,000 tokens)
  • • You need longer outputs (up to 131,072 tokens)
  • • You're already using OpenAI's API ecosystem

Pros and Caveats at a Glance

GPT-4.1 mini

  • Input pricing: $0.40/M tokens
  • Output pricing: $1.60/M tokens
  • Context window: 200,000 tokens
  • Max output: 16,384 tokens

Watch out for

  • Smaller context window than o4-mini

o4-mini

  • Input pricing: $1.10/M tokens
  • Output pricing: $4.40/M tokens
  • Context window: 2,000,000 tokens
  • Max output: 131,072 tokens

Watch out for

  • Higher input cost than GPT-4.1 mini
  • Higher output cost than GPT-4.1 mini

Try Different Scenarios

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

GPT-4.1 mini (OpenAI)

o4-mini (OpenAI)

Start using GPT-4.1 mini today

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Start using o4-mini today

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Frequently Asked Questions

Which is cheaper, GPT-4.1 mini or o4-mini?
GPT-4.1 mini is cheaper for input tokens at $0.40 per million tokens vs $1.10 for o4-mini — that's 64% savings on input costs.
What is the context window difference between GPT-4.1 mini and o4-mini?
GPT-4.1 mini supports 200,000 tokens while o4-mini supports 2,000,000 tokens — a difference of 1,800,000 tokens in favor of o4-mini.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, GPT-4.1 mini is the lower-cost option, while o4-mini offers a larger context window (2,000,000 vs 200,000 tokens). Choose GPT-4.1 mini for budget sensitivity or o4-mini 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 mini costs about $3.60/month and o4-mini costs about $9.90/month. Overall, GPT-4.1 mini has lower combined input + output rates ($0.40 in, $1.60 out) vs o4-mini.

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