Mercury 3
Mercury 3Compare inonVals Legal Research Bench
Alternatives?
ModelScoreCostPer taskWhat changes
BetterMuse Spark 1.3max+92%+1,131%$3.69Only auto tool_choice is supported+5
OpenGLM 5.3unstated+70%+1,223%$1.40 / $4.40Reasoning cannot be disabled+3
BetterClaude Fable 5.1unstated+92%+12,208%$10 / $50Replace forced tool_choice+5BetterClaude Opus 5unstated+92%+6,054%$5 / $25
BetterGemini 4 Argonunstated+90%+2,362%*$2 / $10Synchronous output stops at 65,536+2ModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
Muse Spark 1.3max+92%+1,131%$3.69Only auto tool_choice is supported+5Claude Fable 5.1unstated+92%+12,208%$10 / $50Replace forced tool_choice+5Claude Opus 5unstated+92%+6,054%$5 / $25Gemini 4 Argonunstated+90%+2,362%*$2 / $10Synchronous output stops at 65,536+2Claude Opus 5.5unstated+75%+4,823%$4 / $20No forced tool use+5ModelScoreCostPer taskWhat changes
GLM 5.3unstatedOpen+70%+1,223%$1.40 / $4.40Reasoning cannot be disabled+3
MiMo v2.6 ProunstatedOpen+63%+235%$0.43 / $0.87Pass back reasoning_content+3
Kimi K3unstatedOpen+60%+3,592%$3 / $15Sampling parameters are fixed+3
DeepSeek V4.1 Flash 1017unstatedOpen+57%+223%$0.30 / $1.20Pass back reasoning_content · Chat Completions+4
Hy4 previewOpen+57%+670%$0.83 / $2.50ModelScoreCostPer taskWhat changes
Mercury 2.5unstated-85%—$0.20 / $0.75Context: 1M → 260KMercury 2highn/a—$0.089Context: 1M → 128KAll inception models →Benchmarks
in Chat & KnowledgeVals Legal Research Bench28.9#44
FAQ
How much does Mercury 3 cost?›
$0.10 per 1M input tokens and $0.35 per 1M output tokens; cached input $0.01 per 1M.
Is Mercury 3 free to use?›
There is no free API; the cheapest paid price is $0.10 per 1M input tokens.
How good is Mercury 3, and what is it best at?›
#44 of 73 in Chat & Knowledge.
Is Mercury 3 better than MiniMax M3?›
On Vals Legal Research Bench, Mercury 3 scores 28.9 vs 29.8 — about the same.
How can I use Mercury 3?›
Through the inception API.
What is the context window of Mercury 3?›
1M tokens, with up to 131K output tokens.
Can Mercury 3 read images?›
No, it accepts text only.
What is Mercury 3?›
Mercury 3 is a language model from inception.
What are the best alternatives to Mercury 3?›
Muse Spark 1.3 (better), GLM 5.3 (open weights).