Step 2 16k Exp 202412vsC4ai Aya Expanse 32b

Step 2 16k Exp 202412 leads the overall Podium Score by 4.0 points (67.0 vs 63.0).Category wins: Step 2 16k Exp 202412 0 — 0 C4ai Aya Expanse 32b.Step 2 16k Exp 202412 is the cheaper pick ($3/M vs $3/M per 1M output tokens). Step 2 16k Exp 202412 is faster (50 t/s vs 50 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Step 2 16k Exp 202412 is rated higher overall with a Podium Score of 67.0 (vs 63.0 for C4ai Aya Expanse 32b). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Step 2 16k Exp 202412 (50 t/s)
Cost Efficiency
Step 2 16k Exp 202412 ($3/M/M)
MetricStep 2 16k Exp 202412C4ai Aya Expanse 32b
Podium Score67.0 ▲63.0
Arena Elo
Intelligence Index
Coding
Math
Reasoning
Agentic
Knowledge
Multimodal
Long-context
Output speed50 t/s50 t/s
Output price$3/M$3/M
Context window128K128K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Step 2 16k Exp vs Claude Mythos · Step 2 16k Exp vs Claude Fable 5 · Step 2 16k Exp vs Kimi K3 · Step 2 16k Exp vs Claude Opus 5
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