Trinity-Large-Thinking vs Mercury 2

API pricing, benchmark indices and specs — updated 19 October 2026.

arcee-ai · A · Open weights
Params
398.6 B
Context
262,144
30d
2 K
inception · B · API-only
Input / 1M
$0.25
Output / 1M
$0.75
AA index
10.8
proprietary · 128K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Trinity-Large-Thinking Mercury 2
Deployment Open weights · also via API API-only (closed weights)
Parameters 398.6 B n/a — API-only
Architecture AfmoeForCausalLM n/a — API-only
Context length 262,144 128,000
Licence other Proprietary
Commercial use Unknown Per API terms
Languages 11 n/a — API-only
Downloads 30d 2,245 n/a — API-only
Downloads all time 72 K n/a — API-only
Quantizations on the Hub SAFETENSORS n/a — API-only
Gated No n/a — API-only
First seen on the Hub 2026-04-01 n/a — API-only
API input price / 1M tokens $0.25 $0.25
API output price / 1M tokens $0.80 $0.75
Est. cost per 1M input + 1M output tokens $1.05 $1.00
Cached input / 1M tokens $0.06 $0.025
AA Intelligence Index 10.8 10.8
AA Coding Index 25.8 31.1
AA Agentic Index 1 1.6
Max output tokens 80,000 50,000
API providers 1 1
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

Trinity-Large-Thinking $1.05
Mercury 2 $1.00

Mercury 2 is 1.1× cheaper at list price.

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

Trinity-Large-Thinking · fp16 @ 256K ctx 2,791.0 GB / 24 GB
❌ Won’t fit

Adjacent comparisons