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GPT-5 Mini vs GPT-4o
OpenAI's new budget model vs the established workhorse. GPT-5 Mini is 90% cheaper with 2x the context — should you upgrade from GPT-4o?
Pricing data verified: Jun 29, 2026
| Specification | GPT-5 Mini (OpenAI) | GPT-4o (OpenAI) |
|---|---|---|
| Input Price (per 1M tokens) | $0.25 | $2.50 |
| Output Price (per 1M tokens) | $2.00 | $10.00 |
| Context Window | 272K tokens | 128K tokens |
| Tier | Budget | Mid-Tier |
| Provider | OpenAI | OpenAI |
Calculate Your Exact Costs
Same provider, 90% price difference — see how much you'd save by upgrading from GPT-4o.
Which Model for Which Use Case?
Chatbots & Virtual Assistants
High-volume conversational interfaces. GPT-5 Mini's 90% cheaper input pricing makes it the clear winner — you save 83% vs GPT-4o at scale.
Legacy GPT-4o Integrations
Existing apps built on GPT-4o's specific behavior. If your system is tuned for GPT-4o's response patterns, the migration cost may outweigh savings. Test GPT-5 Mini first.
Long Document Processing
Processing large documents or codebases. GPT-5 Mini's 272K context handles documents 2.1x larger than GPT-4o's 128K limit — a significant upgrade.
Budget-Conscious Startups
Startups watching every dollar. GPT-5 Mini delivers 83-90% cost savings with better specs. The clear choice for MVPs and cost-sensitive production.
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Frequently Asked Questions
How much cheaper is GPT-5 Mini than GPT-4o?
GPT-5 Mini costs $0.25/$2.00 per 1M tokens. GPT-4o costs $2.50/$10.00 per 1M tokens. GPT-5 Mini is 90% cheaper on input and 80% cheaper on output — an 83% overall savings for most workloads.
Which has a larger context window?
GPT-5 Mini has a 272K token context window, while GPT-4o has a 128K token context window. GPT-5 Mini offers 2.1x the context — a significant upgrade for long-context workloads.
Should I upgrade from GPT-4o to GPT-5 Mini?
For most use cases — yes. GPT-5 Mini is 83-90% cheaper with 2x the context window. It handles chatbots, content generation, and code assistance at a fraction of the cost. Test on your workload first to ensure quality meets your needs.
Is GPT-5 Mini better than GPT-4o for coding?
GPT-5 Mini is a newer model with improved capabilities over GPT-4o. For coding tasks, it offers better performance at 90% lower input cost and 80% lower output cost. The larger 272K context window also helps with large codebases.
Related Comparisons
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