Seed 2.1 Turbo is cheaper than GPT-5.1 Chat at $0.5/M vs $1.25/M input tokens.
| Spec | GPT-5.1 Chat | Seed 2.1 Turbo |
|---|---|---|
| Input price | $1.25/M tokens | $0.5/M tokens |
| Output price | $10/M tokens | $2.5/M tokens |
| Context window | 128K tokens | 262K tokens |
| Released | Nov 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Seed 2.1 Turbo costs 4.0x less per token.
Seed 2.1 Turbo is cheaper on both — 2.5× input, 4.0× output
Seed 2.1 Turbo uses 6.6x more emoji
Seed 2.1 Turbo is cheaper than GPT-5.1 Chat at $0.5/M vs $1.25/M input tokens.
| Spec | GPT-5.1 Chat | Seed 2.1 Turbo |
|---|---|---|
| Input price | $1.25/M tokens | $0.5/M tokens |
| Output price | $10/M tokens | $2.5/M tokens |
| Context window | 128K tokens | 262K tokens |
| Released | Nov 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Seed 2.1 Turbo costs 4.0x less per token.
Seed 2.1 Turbo is cheaper on both — 2.5× input, 4.0× output
Seed 2.1 Turbo uses 6.6x more emoji