Alternatives to Mercury 2

These tools sit near Mercury 2. Compare features and pricing before you switch.

Open Mercury 2 listing · AI Tools Rankings 2026 | Hot & Featured

Alternatives

Mercury 2.5: the successor, with 260K context and the current discount.
Claude Opus 5.5: a frontier model for the calls where judgment matters more than latency.
Grok 4.7: another current-generation option, with a much larger context window.

Mercury 2.5

Inception's diffusion LLM: 260K context, parallel token generation at 1,107 tokens per second, and 80 percent off at $0.04 per million input tokens at launch.

#Reasoning

—DR: —AS: —

Claude Opus 5.5

Models

Anthropic Claude Opus 5.5: Fable-5.1-level intelligence at $4/$20 per 1M tokens, 1M context, and day-one GitHub Copilot support.

#Anthropic

2500000DR: 92AS: 95

Grok 4.7

Models

SpaceXAI's Grok 4.7 flagship for coding and agents: 500K context, $1.60/$4.80 per 1M tokens, 46.4 on the Artificial Analysis index.

#xAI

12000000DR: 88AS: 90