Claude Opus 5vsSeed Oss 36b Instruct
Claude Opus 5 leads the overall Podium Score by 62.9 points (81.4 vs 18.5).Category wins: Claude Opus 5 2 — 1 Seed Oss 36b Instruct.Seed Oss 36b Instruct is the cheaper pick ($3/M vs $25/M per 1M output tokens). Claude Opus 5 is faster (60 t/s vs 60 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
Claude Opus 5 is rated higher overall with a Podium Score of 81.4 (vs 18.5 for Seed Oss 36b Instruct). In head-to-head domain evaluations, Claude Opus 5 outperforms in 2 of 7 benchmark categories.
Coding & Engineering
Claude Opus 5 (70.4)
Inference Speed
Claude Opus 5 (60 t/s)
Cost Efficiency
Seed Oss 36b Instruct ($3/M/M)
| Metric | Claude Opus 5 | Seed Oss 36b Instruct |
|---|---|---|
| Podium Score | 81.4 ▲ | 18.5 |
| Arena Elo | 1492 | — |
| Intelligence Index | 61.0 | — |
| Coding | 70.4 ▲ | 40.0 |
| Math | — | — |
| Reasoning | 82.3 ▲ | 35.0 |
| Agentic | — | — |
| Knowledge | 37.1 | 45.0 ▲ |
| Multimodal | — | 30.0 |
| Long-context | 99.2 | — |
| Output speed | 60 t/s | 60 t/s |
| Output price | $25/M | $3/M ▲ |
| Context window | 1000K ▲ | 131K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Claude Opus 5 vs Claude Mythos · Claude Opus 5 vs Claude Fable 5 · Claude Opus 5 vs Kimi K3 · Claude Opus 5 vs GPT-5.6 Sol