GPT 5.1 HighvsDeepseek V4 Flash High Preview
GPT 5.1 High leads the overall Podium Score by 1.0 points (73.0 vs 72.0).Category wins: GPT 5.1 High 0 — 0 Deepseek V4 Flash High Preview.Deepseek V4 Flash High Preview is the cheaper pick ($1.1/M vs $10/M per 1M output tokens). GPT 5.1 High is faster (50 t/s vs 50 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
GPT 5.1 High is rated higher overall with a Podium Score of 73.0 (vs 72.0 for Deepseek V4 Flash High Preview). Both models show closely matched capabilities across domain benchmarks.
Coding & Engineering
Comparable
Inference Speed
GPT 5.1 High (50 t/s)
Cost Efficiency
Deepseek V4 Flash High Preview ($1.1/M/M)
| Metric | GPT 5.1 High | Deepseek V4 Flash High Preview |
|---|---|---|
| Podium Score | 73.0 ▲ | 72.0 |
| Arena Elo | — | — |
| Intelligence Index | — | — |
| Coding | — | — |
| Math | — | — |
| Reasoning | — | — |
| Agentic | — | — |
| Knowledge | — | — |
| Multimodal | — | — |
| Long-context | — | — |
| Output speed | 50 t/s | 50 t/s |
| Output price | $10/M | $1.1/M ▲ |
| Context window | 128K | 128K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: GPT 5.1 High vs Claude Mythos · GPT 5.1 High vs Claude Fable 5 · GPT 5.1 High vs Kimi K3 · GPT 5.1 High vs Claude Opus 5