Frontier
Frontier
Side-by-side
| GPT-4o | Claude Sonnet 4 |
|---|
| Vendor | OpenAI | Anthropic |
| Tier | Frontier | Frontier |
| Context window | 128K tokens | 200K tokens |
| Input price | $2.50 / 1M | $3.00 / 1M |
| Output price | $10.00 / 1M | $15.00 / 1M |
| Knowledge cutoff | Oct 2024 | Apr 2025 |
| Modality | Text + Image + Audio | Text + Image |
| Monthly cost* | $225 | $300 |
*Workload assumed: 50M input + 10M output tokens/month. Use our AI Cost Calculator for your actual numbers.