Claude Opus 4.6 vs Mercury 2: Specs & Benchmark Comparison
| Characteristic | Claude Opus 4.6 | Mercury 2 |
|---|---|---|
| Company | Anthropic | Inception |
| Release Date | February 4, 2026 | February 1, 2026 |
| Parameters | — | — |
| Multimodal | Yes | No |
| Context (input) | 1.0M | — |
| Context (output) | 128K | — |
| Input Price / 1M | $5.00 | — |
| Output Price / 1M | $25.00 | — |
| Average Score | 0.8 | 0.7 |
| Benchmarks | ||
| GPQA | 0.9 | 0.7 |
| AIME 2025 | 1.0 | 0.9 |
Visual Benchmark Comparison
Claude Opus 4.6
Mercury 2
GPQA0.9 vs 0.7
0.9
0.7
AIME 20251.0 vs 0.9
1.0
0.9
Verdict
Both models show equal results — the choice depends on your specific use case.
Overall Performance
Both models show comparable average scores: Claude Opus 4.6 — 0.8, Mercury 2 — 0.7.
Recency
Both models were released around the same time: 2/4/2026 and 2/1/2026.
More About These Models
Related Comparisons
The Claude Opus 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 Opus 4.6 or Mercury 2 page. See also the complete list of AI model comparisons.