Claude Opus 4.8vsSeed Oss 36b Instruct
Claude Opus 4.8 leads the overall Podium Score by 57.5 points (76.0 vs 18.5).Category wins: Claude Opus 4.8 3 — 1 Seed Oss 36b Instruct.Seed Oss 36b Instruct is the cheaper pick ($3/M vs $15/M per 1M output tokens). Seed Oss 36b Instruct is faster (60 t/s vs 50 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
Claude Opus 4.8 is rated higher overall with a Podium Score of 76.0 (vs 18.5 for Seed Oss 36b Instruct). In head-to-head domain evaluations, Claude Opus 4.8 outperforms in 3 of 7 benchmark categories.
Coding & Engineering
Claude Opus 4.8 (58.0)
Inference Speed
Seed Oss 36b Instruct (60 t/s)
Cost Efficiency
Seed Oss 36b Instruct ($3/M/M)
| Metric | Claude Opus 4.8 | Seed Oss 36b Instruct |
|---|---|---|
| Podium Score | 76.0 ▲ | 18.5 |
| Arena Elo | 1484 | — |
| Intelligence Index | 55.7 | — |
| Coding | 58.0 ▲ | 40.0 |
| Math | 58.7 | — |
| Reasoning | 82.8 ▲ | 35.0 |
| Agentic | 74.9 | — |
| Knowledge | 28.8 | 45.0 ▲ |
| Multimodal | 89.6 ▲ | 30.0 |
| Long-context | 99.2 | — |
| Output speed | 50 t/s | 60 t/s ▲ |
| Output price | $15/M | $3/M ▲ |
| Context window | 1000K ▲ | 131K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Claude Opus 4.8 vs Claude Mythos · Claude Opus 4.8 vs Claude Fable 5 · Claude Opus 4.8 vs Kimi K3 · Claude Opus 4.8 vs Claude Opus 5