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Compare / head-to-head

GPT-4.1vsPhi-4

GPT-4.1 leads 3 of 3 shared benchmarks. GPT-4.1 has the larger context window (1.0M tokens).

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

Shared benchmarks
3 – 0
GPT-4.1 leads
Cheaper per token
list price, input + output
Larger context
GPT-4.1
1.0M tokens
Provider uptime (30d)
94.2446% · —
OpenAI · Microsoft
GPT-4.1
OpenAI · released 2025-04-14
textvision
Context
1.0M
Max out
33K
Input /1M
$2
Output /1M
$8
Cached /1M
$0.5
Scores
10 · 8 core
Phi-4
Microsoft · released 2024-12-12
text
Context
16K
Max out
16K
Input /1M
Output /1M
Cached /1M
Scores
11 · 7 core
Quality

Benchmark matrix

BenchmarkGPT-4.1Phi-4ΔEdge
Reported by both · 3
GPQA Diamond66.3% 56.1% +10.2 ptGPT-4.1
MMLU90.2% 84.8% +5.4 ptGPT-4.1
OTIS Mock AIME 2024-2025 (Epoch AI run)38.3% epoch13.8% epoch+24.5 ptGPT-4.1
Only GPT-4.1 reports · 6
SWE-bench Verified54.6% not reported
AIME 202448.1% not reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)6% epochnot reported
SimpleQA Verified31.1% epochnot reported
SWE-bench Verified (Epoch AI run)48.5% epochnot reported
Video-MME (long, no subtitles)72% not reported
Only Phi-4 reports · 7
MMLU-Pronot reported70.4%
HumanEvalnot reported82.6%
LMArena Elonot reported1216.6
ArenaHardnot reported75.4%
HumanEval+not reported82.8%
IFEvalnot reported63%
MATHnot reported80.4%
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 GPT-4.1 minus Phi-4 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

SpecGPT-4.1Phi-4Edge
Context window1.0M tokens16K tokensGPT-4.1
Max output33K tokens16K tokensGPT-4.1
Input price / 1M$2
Output price / 1M$8
Cached input / 1M$0.5
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$10
Modalitiestext · visiontextGPT-4.1
Released2025-04-142024-12-12
Cited benchmark scores1011
Reliability

Provider status

All providers
Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run GPT-4.1 and Phi-4 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.