UnifyBench

RankingFrontierCS 2

FrontierCS 2

Data updated 30 Oct 2026

Bucket
Supporting evidence
Unit
percent
Direction
Higher is better
Version
2
Display harness
Claude Code
Board
https://frontier-cs.org/

FrontierCS 2 is the UC Berkeley and Princeton board of 48 research tasks. One run per task on that model's vendor harness. Kaggle verification is unfinished. These rows stay out of weighted Overall.

Compare published benchmark results with category weights →

Models

Results are ordered by score in the display harness, followed by models with no result. Other harnesses are listed separately below. Missing results remain unknown.

426–450 of 471 entries

ModelScoreEvidenceSource-recorded date
Qwen3.8-Flash-NextQwen———
QwQ-plusQwen———
RecurrentGemma 2B ITGoogle———
RecurrentGemma 9B ITGoogle———
Seed 1.6ByteDance———
Seed 1.6 ThinkingByteDance———
Seed 1.6 VisionByteDance———
Seed 1.8ByteDance———
Seed 2.0 CodeByteDance———
Seed 2.0 LiteByteDance———
Seed 2.0 MiniByteDance———
Seed 2.0 ProByteDance———
Seed 2.1 ProByteDance———
Seed 2.1 TurboByteDance———
Seed CharacterByteDance———
Seed Coder 8B InstructByteDance———
Seed Coder 8B ReasoningByteDance———
Seed EvolvingByteDance———
Seed OSS 36B InstructByteDance———
SOLAR 10.7B Instruct v1.0Upstage———
Solar Mini (April 2025)Upstage———
Solar Mini 4Upstage———
Solar Open 100BUpstage———
Solar Open2 250BUpstage———
Solar Pro 2 (December 2025)Upstage———

Other harnesses

These runs use other harnesses. Capability scoring matches configurations separately; model details identify which source records contribute.

ModelScoreHarnessEvidenceSource-recorded date
DeepSeek V4.1 FlashDeepSeek14.6%DeepSeek Harnessofficial board2026-10-29
Gemini 4 ArgonGoogle54.2%Antigravityofficial board2026-10-29
Gemini 4 ArgonGoogle39.6%Piofficial board2026-10-29
GLM-5.3Z.ai25%ZCodeofficial board2026-10-29
GLM-5.3-FlashZ.ai12.5%ZCodeofficial board2026-10-29
GPT-6 AstraOpenAI43.8%Codex CLIofficial board2026-10-29
GPT-6.1 SolOpenAI35.4%Codex CLIofficial board2026-10-29
Kimi K3Moonshot20.8%Kimi Codeofficial board2026-10-29
Muse Spark 1.3Meta12.5%Muse Codeofficial board2026-10-29
Qwen 3.8-MaxQwen12.5%Qwen Codeofficial board2026-10-29
Step 5 PreviewStepFun8.3%Step Codeofficial board2026-10-29