Inception: Mercury 2 vs Inception: Mercury 2.5
Inception: Mercury 2.5 is cheaper on output tokens, while Inception: Mercury 2.5 offers a larger context window. Choose Inception: Mercury 2 or Inception: Mercury 2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Inception: Mercury 2 | Inception: Mercury 2.5 |
|---|---|---|
| Provider | Inception | Inception |
| Input / 1M tokens | $0.25 | $0.04 |
| Output / 1M tokens | $0.75 | $0.15 |
| Context window | 128K | 260K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Feb 2026 | — |
FAQ
Is Inception: Mercury 2 or Inception: Mercury 2.5 cheaper?
Inception: Mercury 2.5 is cheaper on output tokens ($0.15 vs $0.75 per 1M).
Which has the larger context window, Inception: Mercury 2 or Inception: Mercury 2.5?
Inception: Mercury 2.5 has the larger context window (260K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.