Grok 4.1 ThinkingvsPhi 3 Medium 4k Instruct

Grok 4.1 Thinking leads the overall Podium Score by 13.0 points (73.0 vs 60.0).Category wins: Grok 4.1 Thinking 0 — 0 Phi 3 Medium 4k Instruct.Phi 3 Medium 4k Instruct is the cheaper pick ($3/M vs $15/M per 1M output tokens). Grok 4.1 Thinking is faster (50 t/s vs 50 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Grok 4.1 Thinking is rated higher overall with a Podium Score of 73.0 (vs 60.0 for Phi 3 Medium 4k Instruct). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Grok 4.1 Thinking (50 t/s)
Cost Efficiency
Phi 3 Medium 4k Instruct ($3/M/M)
MetricGrok 4.1 ThinkingPhi 3 Medium 4k Instruct
Podium Score73.0 ▲60.0
Arena Elo
Intelligence Index
Coding
Math
Reasoning
Agentic
Knowledge
Multimodal
Long-context
Output speed50 t/s50 t/s
Output price$15/M$3/M ▲
Context window128K128K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Grok 4.1 T vs Claude Mythos · Grok 4.1 T vs Claude Fable 5 · Grok 4.1 T vs Kimi K3 · Grok 4.1 T vs Claude Opus 5
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