Claude Opus 4 20250514 Thinking 16kvsStep 2 16k Exp 202412
Claude Opus 4 20250514 Thinking 16k leads the overall Podium Score by 4.0 points (71.0 vs 67.0).Category wins: Claude Opus 4 20250514 Thinking 16k 0 — 0 Step 2 16k Exp 202412.Step 2 16k Exp 202412 is the cheaper pick ($3/M vs $15/M per 1M output tokens). Claude Opus 4 20250514 Thinking 16k is faster (50 t/s vs 50 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
Claude Opus 4 20250514 Thinking 16k is rated higher overall with a Podium Score of 71.0 (vs 67.0 for Step 2 16k Exp 202412). Both models show closely matched capabilities across domain benchmarks.
Coding & Engineering
Comparable
Inference Speed
Claude Opus 4 20250514 Thinking 16k (50 t/s)
Cost Efficiency
Step 2 16k Exp 202412 ($3/M/M)
| Metric | Claude Opus 4 20250514 Thinking 16k | Step 2 16k Exp 202412 |
|---|---|---|
| Podium Score | 71.0 ▲ | 67.0 |
| Arena Elo | — | — |
| Intelligence Index | — | — |
| Coding | — | — |
| Math | — | — |
| Reasoning | — | — |
| Agentic | — | — |
| Knowledge | — | — |
| Multimodal | — | — |
| Long-context | — | — |
| Output speed | 50 t/s | 50 t/s |
| Output price | $15/M | $3/M ▲ |
| Context window | 128K | 128K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Claude Opus 4 16k vs Claude Mythos · Claude Opus 4 16k vs Claude Fable 5 · Claude Opus 4 16k vs Kimi K3 · Claude Opus 4 16k vs Claude Opus 5