Seed 1.8 vs GPT-3.5 Turbo Instruct
Both have similar output pricing, while Seed 1.8 offers a larger context window. Choose Seed 1.8 or GPT-3.5 Turbo Instruct based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Seed 1.8 | GPT-3.5 Turbo Instruct |
|---|---|---|
| Provider | Vercel AI Gateway | Vercel AI Gateway |
| Input / 1M tokens | $0.25 | $1.50 |
| Output / 1M tokens | $2.00 | $2.00 |
| Context window | 256K | 8K |
| Parameters | — | 20B |
| Open weights | No | No |
| Released | Sep 2025 | Sep 2023 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.