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DeepSeek R1vsPhi-4 Reasoning

DeepSeek R1 leads 3 of 3 shared benchmarks. DeepSeek R1 has the larger context window (128K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
3 – 0
DeepSeek R1 leads
Cheaper per token
list price, input + output
Larger context
DeepSeek R1
128K tokens
Provider uptime (30d)
100% · —
DeepSeek · Microsoft
DeepSeek R1
DeepSeek · released 2025-01-20
text
Context
128K
Max out
33K
Input /1M
Output /1M
Cached /1M
Scores
8 · 7 core
Phi-4 Reasoning
Microsoft · released 2025-04-30
text
Context
33K
Max out
33K
Input /1M
Output /1M
Cached /1M
Scores
4 · 4 core
Quality

Benchmark matrix

BenchmarkDeepSeek R1Phi-4 ReasoningΔEdge
Reported by both · 3
GPQA Diamond71.5% 65.8% +5.7 ptDeepSeek R1
MMLU-Pro84% 74.3% +9.7 ptDeepSeek R1
AIME 202570% matharena62.9% +7.1 ptDeepSeek R1
Only DeepSeek R1 reports · 4
SWE-bench Verified49.2% not reported
MMLU90.8% not reported
LMArena Elo1372.6 not reported
OTIS Mock AIME 2024-2025 (Epoch AI run)53.3% epochnot reported
Only Phi-4 Reasoning reports · 1
HumanEval+not reported92.9%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is DeepSeek R1 minus Phi-4 Reasoning in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecDeepSeek R1Phi-4 ReasoningEdge
Context window128K tokens33K tokensDeepSeek R1
Max output33K tokens33K tokensTie
Input price / 1M
Output price / 1M
Cached input / 1M
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
ModalitiestexttextTie
Released2025-01-202025-04-30
Cited benchmark scores84
Reliability

Provider status

All providers
More matchups

DeepSeek R1 vs …

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