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GPT-5.5 vs Haiku 4.5
Premium vs Budget cross-provider showdown — Haiku 4.5 is 80% cheaper on input ($1 vs $5) and 83% cheaper on output ($5 vs $30). Is premium worth 5x more?
Pricing data verified: Jun 29, 2026
| Specification | GPT-5.5 | Haiku 4.5 |
|---|---|---|
| Input Price (per 1M tokens) | $5.00 | $1.00 |
| Output Price (per 1M tokens) | $30.00 | $5.00 |
| Context Window | 1.05M tokens | 200K tokens |
| Tier | Premium | Budget |
| Provider | OpenAI | Anthropic |
| Input Savings | Baseline | 80% cheaper |
| Output Savings | Baseline | 83% cheaper |
| Cost at 1M input + 500K output | $20.00 | $3.50 |
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Which Model for Which Use Case?
Cost-Effective Production
Haiku 4.5 at $1/$5 per million tokens delivers excellent quality at 80-83% lower cost than GPT-5.5. For most production workloads including chatbots, code assistants, and content generation, Haiku 4.5 is the clear winner on price.
Maximum Quality
GPT-5.5 delivers premium-tier quality for complex analytical tasks, nuanced reasoning, and high-stakes outputs. If your use case demands the absolute best quality and cost is secondary, GPT-5.5 justifies the premium.
Context Window Needs
GPT-5.5 offers 1.05M context vs Haiku 4.5's 200K — that's 5x more. If your application needs long document processing, large codebase analysis, or extensive conversation history, GPT-5.5 is the only option.
Enterprise Scale
At 1M input + 500K output tokens, Haiku 4.5 saves $16.50/month compared to GPT-5.5. For enterprise-scale deployments, the 80-83% cost difference translates to $1,980/year in savings — without sacrificing conversational quality.
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Frequently Asked Questions
Is Haiku 4.5 cheaper than GPT-5.5?
Yes — Haiku 4.5 is dramatically cheaper. Haiku 4.5 costs $1.00/M input and $5.00/M output, while GPT-5.5 costs $5.00/M input and $30.00/M output. That's 80% cheaper on input and 83% cheaper on output.
Which is better for chatbots — GPT-5.5 or Haiku 4.5?
For most chatbot deployments, Haiku 4.5 is the better choice due to its 80-83% lower cost and sufficient quality for conversational AI. Choose GPT-5.5 when you need premium reasoning quality or the 1.05M context window for complex multi-turn conversations.
How much would I save using Haiku 4.5 instead of GPT-5.5?
For a workload of 1M input + 500K output tokens/month, Haiku 4.5 costs $3.50/month vs GPT-5.5's $20/month — saving $16.50/month (83%). At scale (10M input + 5M output), you save $165/month — $1,980/year.
When should I choose GPT-5.5 over Haiku 4.5?
Choose GPT-5.5 when: (1) you need premium quality reasoning for complex analytical tasks, (2) you need a 1M+ token context window for large document processing, (3) quality matters more than cost for your use case. For everything else, Haiku 4.5 delivers excellent quality at 80-83% lower cost.
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