Clef 2 Benchmarks, Pricing & Rankings
Clef AI · 2026-10-02 · Open · Current
Snapshot 2026-10-14 · updated weekly
Clef 2 ranks #38 of 42 on the AMR leaderboard.
Clef 2 benchmark scores
| GPQA Diamond | 56.9% | |
| MMLU-Pro | 55.8% | |
| SWE-Bench Verified | 27.4% | |
| AIME 2025 | 52.6% | |
| LiveCodeBench v6 | 44.1% | |
| Arena Elo | 1259 |
Clef 2 price, speed & context
Input price
$0.10
per 1M tokens
Output price
$0.35
per 1M tokens
Speed
276
tok/s
Context
128K
tokens
About Clef 2
Clef 2 is a new open model optimized for structured extraction and JSON reliability, resurging this week on agent-framework adoption.
Models around Clef 2 in the rankings
Clef 2 FAQ
Where does Clef 2 rank?
Clef 2 ranks #38 of 42 tracked AI models on the AMR aggregate as of October 2026, with an aggregate score of 67.2. Its strongest dimension is GPQA Diamond at 56.9%.
How much does Clef 2 cost?
Clef 2 costs $0.10 per million input tokens and $0.35 per million output tokens on the standard API. At a typical 1:3 input/output agent workload, that blends to roughly $0.29 per million tokens.
What is the Clef 2 context window?
Clef 2 supports a 128K token context window and generates at a median 276 output tokens per second. That context fits roughly 85 standard documents in a single prompt.
Is Clef 2 open source?
Yes — Clef 2 ships open weights that you can download and self-host or serve through any compatible inference provider.
What is better than Clef 2?
Jev 1 ranks one place higher at #37 with an AMR score of 68.9. Clef 2 still wins 0 of the tracked dimensions head-to-head — check the comparison table to see exactly which.