Mercury 2.5 Preview has a larger context window than Grok 3 Thinking (260K tokens vs 128K tokens).
| Spec | Grok 3 Thinking | Mercury 2.5 Preview |
|---|---|---|
| Input price | — | $0.04/M tokens |
| Output price | — | $0.15/M tokens |
| Context window | 128K tokens | 260K tokens |
| Released | Feb 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Grok 3 Thinking uses 2.5x more hedging
Mercury 2.5 Preview has a larger context window than Grok 3 Thinking (260K tokens vs 128K tokens).
| Spec | Grok 3 Thinking | Mercury 2.5 Preview |
|---|---|---|
| Input price | — | $0.04/M tokens |
| Output price | — | $0.15/M tokens |
| Context window | 128K tokens | 260K tokens |
| Released | Feb 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Grok 3 Thinking uses 2.5x more hedging