Claude Sonnet 4.6 vs Mercury 2: Specs & Benchmark Comparison
| Characteristic | Claude Sonnet 4.6 | Mercury 2 |
|---|---|---|
| Company | Anthropic | Inception |
| Release Date | February 17, 2026 | February 1, 2026 |
| Parameters | — | — |
| Multimodal | Yes | No |
| Context (input) | 200K | — |
| Context (output) | 64K | — |
| Input Price / 1M | $3.00 | — |
| Output Price / 1M | $15.00 | — |
| Average Score | 0.7 | 0.7 |
| Benchmarks | ||
| GPQA | 0.9 | 0.7 |
Visual Benchmark Comparison
Claude Sonnet 4.6
Mercury 2
GPQA0.9 vs 0.7
0.9
0.7
Verdict
Claude Sonnet 4.6 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Sonnet 4.6 — 0.7, Mercury 2 — 0.7.
Recency
Claude Sonnet 4.6 is newer: released 2/17/2026 vs 2/1/2026.
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Related Comparisons
The Claude Sonnet 4.6 and Mercury 2 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Sonnet 4.6 or Mercury 2 page. See also the complete list of AI model comparisons.