GPT 5.5 InstantvsSeed Oss 36b Instruct
GPT 5.5 Instant leads the overall Podium Score by 55.5 points (74.0 vs 18.5).Category wins: GPT 5.5 Instant 0 — 0 Seed Oss 36b Instruct.Seed Oss 36b Instruct is the cheaper pick ($3/M vs $10/M per 1M output tokens). Seed Oss 36b Instruct is faster (60 t/s vs 50 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
GPT 5.5 Instant is rated higher overall with a Podium Score of 74.0 (vs 18.5 for Seed Oss 36b Instruct). Both models show closely matched capabilities across domain benchmarks.
Coding & Engineering
Comparable
Inference Speed
Seed Oss 36b Instruct (60 t/s)
Cost Efficiency
Seed Oss 36b Instruct ($3/M/M)
| Metric | GPT 5.5 Instant | Seed Oss 36b Instruct |
|---|---|---|
| Podium Score | 74.0 ▲ | 18.5 |
| Arena Elo | — | — |
| Intelligence Index | — | — |
| Coding | — | 40.0 |
| Math | — | — |
| Reasoning | — | 35.0 |
| Agentic | — | — |
| Knowledge | — | 45.0 |
| Multimodal | — | 30.0 |
| Long-context | — | — |
| Output speed | 50 t/s | 60 t/s ▲ |
| Output price | $10/M | $3/M ▲ |
| Context window | 128K | 131K ▲ |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: GPT 5.5 Instant vs Claude Mythos · GPT 5.5 Instant vs Claude Fable 5 · GPT 5.5 Instant vs Kimi K3 · GPT 5.5 Instant vs Claude Opus 5