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Side-by-side comparison of Claude Haiku 4.5 and GPT-5.3. Claude Haiku 4.5 scores 40 on quality benchmarks at $6.00/1M tokens. GPT-5.3 scores 70 at $12.00/1M tokens.
Claude Haiku 4.5 is the more affordable option and costs less per token. GPT-5.3 leads in quality benchmarks. For budget-conscious users, go with Claude Haiku 4.5. For maximum quality, choose GPT-5.3.
| Claude Haiku 4.5 | GPT-5.3 | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Tier | Budget | Frontier |
| Quality Score | 40 | 70 |
| Input Price | $1.00/1M | $2.00/1M |
| Output Price | $5.00/1M | $10.00/1M |
| Speed | 150 tok/s | 80 tok/s |
| Context Window | 200K | 400K |
| Max Output | 8K | 64K |
| Reasoning | No | Yes |
| Vision | Yes | Yes |
| Task | Claude Haiku 4.5 | GPT-5.3 | Savings |
|---|---|---|---|
| Coding | $11.70 | $23.40 | Claude Haiku 4.5 saves $11.70 |
| Writing | $3.12 | $6.24 | Claude Haiku 4.5 saves $3.12 |
| Analysis | $6.50 | $13.00 | Claude Haiku 4.5 saves $6.50 |
| $1.04 | $2.08 | Claude Haiku 4.5 saves $1.04 | |
| Summarization | $2.08 | $4.16 | Claude Haiku 4.5 saves $2.08 |
| Math & Reasoning | $3.90 | $7.80 | Claude Haiku 4.5 saves $3.90 |