Inception
Mercury 2
CTX128K
52Quality
Reasoning · Tools
TextInput$0.25/M
TextOutput$0.75/M
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
PaidProprietary799/1044
Inception · Text line
Mercury
2 stages over 6 months, from Mercury 2 in Feb 2026 to Mercury 2.5 in Sep 2026.
Evolution chamber01 / 02
Ready to evolve
Every generation. A new possibility.
Mercury 2 · Feb 20262 stages, from Mercury 2 (Feb 2026) to Mercury 2.5 (Sep 2026). Press Evolve to watch each step.
How it grew
Context window
Max output
Output priceper 1M tokens, lower is better
Every stage
v2 Stage 1
InceptionMercury 2
CTX128K52QualityReasoning · ToolsTextInput$0.25/MTextOutput$0.75/MReasoning model for deliberate analysis, multi-step problem solving, and tool use
PaidProprietary799/1044v2.5 Stage 2
InceptionMercury 2.5
CTX260KReasoning · ToolsTextInput$0.04/MTextOutput$0.15/MMercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception
PaidProprietary1000/1044