Directory · Model comparison
Claude Haiku 4.5 vs GPT-4o
Side-by-side API economics and benchmarks. Per-1M input and output rates, context window, and verified metrics.
Tale of the tape
Head-to-head specs pulled from each model profile.
| Metric | Claude Haiku 4.5 | GPT-4o |
|---|---|---|
| Input cost / 1M | $1.00 | $2.50 |
| Output cost / 1M | $5.00 | $10.00 |
| Context window | 200,000 tokens | 128,000 tokens |
| MMLU score | — | — |
Cost verdict
Enter monthly input and output volumes to see total cost savings.
Claude Haiku 4.5
- Input: 1M × $1.00 = $1.00
- Output: 1M × $5.00 = $5.00
- Total
- $6.00
GPT-4o
- Input: 1M × $2.50 = $2.50
- Output: 1M × $10.00 = $10.00
- Total
- $12.50
Total cost savings
$6.50
Claude Haiku 4.5 saves $6.50 per month vs the other model at this volume.
Model routing savings
Uses this page's verified rates. GPT-4o is the premium route (higher combined per-1M cost); Claude Haiku 4.5 handles routine traffic.
All premium
GPT-4o
$625.00
100% of input and output on the premium route
Routed stack
80% → Claude Haiku 4.5
20% → GPT-4o
$365.00
- Routine slice
- $240.00
- Premium slice
- $125.00
Monthly savings
$260.00
41.6% lower
Rates pulled from this page's model database entries (gpt-4o, claude-haiku-4-5) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.
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