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Claude Sonnet 5vsPhi-4

Claude Sonnet 5 leads 2 of 2 shared benchmarks. Claude Sonnet 5 has the larger context window (1M tokens).

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

Shared benchmarks
2 – 0
Claude Sonnet 5 leads
Cheaper per token
list price, input + output
Larger context
Claude Sonnet 5
1M tokens
Provider uptime (30d)
100% · —
Anthropic · Microsoft
Claude Sonnet 5
Anthropic · released 2026-06-30
textvision
Context
1M
Max out
128K
Input /1M
$2
Output /1M
$10
Cached /1M
$0.2
Scores
8 · 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

BenchmarkClaude Sonnet 5Phi-4ΔEdge
Reported by both · 2
GPQA Diamond90.5% epoch56.1% +34.4 ptClaude Sonnet 5
OTIS Mock AIME 2024-2025 (Epoch AI run)94.7% epoch13.8% epoch+80.9 ptClaude Sonnet 5
Only Claude Sonnet 5 reports · 6
SWE-bench Verified85.2% not reported
Humanity's Last Exam (no tools)43.2% not reported
FrontierMath Tier 4 v2 (Epoch AI run)29.3% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)65.6% epochnot reported
Humanity's Last Exam (with tools)57.4% not reported
SimpleQA Verified33.7% epochnot reported
Only Phi-4 reports · 8
MMLUnot reported84.8%
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 Claude Sonnet 5 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

SpecClaude Sonnet 5Phi-4Edge
Context window1M tokens16K tokensClaude Sonnet 5
Max output128K tokens16K tokensClaude Sonnet 5
Input price / 1M$2
Output price / 1M$10
Cached input / 1M$0.2
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$12
Modalitiestext · visiontextClaude Sonnet 5
Released2026-06-302024-12-12
Cited benchmark scores811
Reliability

Provider status

All providers
More matchups

Claude Sonnet 5 vs …

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