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GPT-5.4 mini vs Claude Haiku 4.5
GPT-5.4 mini at $0.75/$4.50 vs Claude Haiku 4.5 at $1.00/$5.00. GPT-5.4 mini is 25% cheaper on input and 10% cheaper on output with 2x the context window. The new budget king from OpenAI.
Pricing data verified: Jul 4, 2026
| Specification | GPT-5.4 mini (OpenAI) | Claude Haiku 4.5 (Anthropic) |
|---|---|---|
| Input Price (per 1M tokens) | $0.75 | $1.00 |
| Output Price (per 1M tokens) | $4.50 | $5.00 |
| Context Window | 400K tokens | 200K tokens |
| Tier | Budget | Budget |
| Provider | OpenAI | Anthropic |
Calculate Your Exact Savings
GPT-5.4 mini is cheaper on both input and output. See exactly how much you save at your usage level.
Which Model for Which Use Case?
Chatbots & Customer Support
Both are budget-tier models ideal for high-volume chatbot deployments. GPT-5.4 mini at $0.75/$4.50 costs 25% less on input and 10% less on output than Haiku 4.5 at $1.00/$5.00. At 500K messages/month, GPT-5.4 mini saves ~$125/month.
Content Generation
Blog posts, social media copy, email sequences. GPT-5.4 mini's 10% output savings compounds at scale. The 400K context also handles longer conversations and content better than Haiku 4.5's 200K.
Data Extraction & Classification
Structured data extraction, sentiment analysis. Input costs matter more here. GPT-5.4 mini's 25% input savings ($0.75 vs $1.00/1M) makes it the clear winner for input-heavy workloads.
Code Review & Debugging
Lightweight code review, bug detection. Both handle code well at budget prices. GPT-5.4 mini's lower cost on both dimensions and larger context window make it more economical.
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Frequently Asked Questions
How much cheaper is GPT-5.4 mini than Claude Haiku 4.5?
GPT-5.4 mini costs $0.75/$4.50 per 1M tokens while Claude Haiku 4.5 costs $1.00/$5.00. That's 25% cheaper on input and 10% cheaper on output. At 1M input + 1M output tokens/month, GPT-5.4 mini costs $5.25 vs Haiku 4.5's $6.00 — saving $0.75/month. At 10M+10M tokens, savings reach $7.50/month.
Which model has a larger context window?
GPT-5.4 mini has a 400K token context window, double Claude Haiku 4.5's 200K context. This means GPT-5.4 mini can handle longer documents, larger codebases, and more extended conversation histories.
Is GPT-5.4 mini or Claude Haiku 4.5 better for chatbots?
Both are excellent budget models for chatbots. GPT-5.4 mini at $0.75/$4.50 is 25% cheaper on input and 10% cheaper on output than Haiku 4.5 at $1.00/$5.00, making it more economical for high-volume deployments.
When should I choose Claude Haiku 4.5 over GPT-5.4 mini?
Choose Claude Haiku 4.5 ($1.00/$5.00) when you need Anthropic's safety-focused approach or specific ecosystem integration. Choose GPT-5.4 mini ($0.75/$4.50) for lower costs and 2x the context window.