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Mercury 2

InceptionCurrentReleased Mar 1, 2026
Overall Score
Coming soon
Arena Elo
1347
Categories Ranked
0of 8
Price (1M tokens)
$0.25 in / $0.75 out
Speed
789tok/s
Context
128K
ProprietaryReasoning
Confidence
base

BenchLM is tracking Mercury 2, but sourced benchmark results are not published on the site yet. This page currently shows the model metadata we can verify now, and score-level benchmark coverage will appear once public evaluations land.

Mercury 2 is a proprietary model with a 128K token context window. It uses explicit chain-of-thought reasoning, which typically improves performance on math and complex reasoning tasks at the cost of higher latency and token usage.

This profile currently has 0 sourced benchmarks on BenchLM, so the benchmark sections below are intentionally marked as coming soon.

Ranking Distribution

Category rank across 8 benchmark categories — sorted by best rank

Category Performance

Scores across all benchmark categories (0-100 scale)

Category Breakdown

Agentic

63.7/ 100
Weight: 22%0 benchmarks
Terminal-Bench 2.0BrowseCompOSWorld-VerifiedGAIATAU-benchWebArena

Coding

41.8/ 100
Weight: 20%0 benchmarks
SWE-bench VerifiedLiveCodeBenchSWE-bench ProSWE-RebenchSciCode

Reasoning

78.0/ 100
Weight: 17%0 benchmarks
MuSRLongBench v2MRCRv2ARC-AGI-2

Knowledge

59.5/ 100
Weight: 12%0 benchmarks
GPQASuperGPQAMMLU-ProHLEFrontierScienceSimpleQA

Math

81.2/ 100
Weight: 5%0 benchmarks
AIME 2025BRUMO 2025MATH-500FrontierMath

Multilingual

79.7/ 100
Weight: 7%0 benchmarks
MGSMMMLU-ProX

Multimodal

68.0/ 100
Weight: 12%0 benchmarks
MMMU-ProOfficeQA ProCharXivCharXiv w/o tools

Inst. Following

84.0/ 100
Weight: 5%0 benchmarks
IFEvalIFBench

Chatbot Arena Performance

Text Overall1347CI: ±10.63,124 votes
Coding1398CI: ±20.9767 votes
Instruction Following1322CI: ±20.1836 votes
Creative Writing1298CI: ±26.6528 votes
Multi-turn1343CI: ±25.7540 votes
Hard Prompts1359CI: ±13.91,759 votes
Hard Prompts (English)1371CI: ±19.8864 votes
Longer Query1323CI: ±20.6841 votes

Benchmark Details

Only benchmark rows with an attached exact-source record are shown here. Source-unverified manual rows and generated rows are hidden from model pages.

Frequently Asked Questions

How does Mercury 2 perform overall in AI benchmarks?

BenchLM is tracking Mercury 2, but sourced benchmark coverage is still coming soon. We currently list its creator, model type, and context window while we wait for public benchmark results.

Does Mercury 2 have full benchmark coverage on BenchLM?

Not yet. Mercury 2 currently has 0 published benchmark scores out of the 178 benchmarks BenchLM tracks. BenchLM only exposes non-generated public benchmark rows, so missing categories stay blank until a sourced evaluation is available.

What is the context window size of Mercury 2?

Mercury 2 has a context window of 128K, which determines how much text it can process in a single interaction.

Last updated: April 24, 2026 · Runtime metrics stay blank until BenchLM has a sourced snapshot.

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