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Phi-4vsQwen3.5 397B-A17B

Qwen3.5 397B-A17B leads 4 of 4 shared benchmarks. Qwen3.5 397B-A17B has the larger context window (262K tokens).

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

Shared benchmarks
0 – 4
Qwen3.5 397B-A17B leads
Cheaper per token
list price, input + output
Larger context
Qwen3.5 397B-A17B
262K tokens
Provider uptime (30d)
— · —
Microsoft · Qwen
Phi-4
Microsoft · released 2024-12-12
text
Context
16K
Max out
16K
Input /1M
Output /1M
Cached /1M
Scores
11 · 7 core
Qwen3.5 397B-A17B
Qwen · released 2026-02-15
textvision
Context
262K
Max out
Input /1M
$0.172
Output /1M
$1.03
Cached /1M
Scores
8 · 7 core
Quality

Benchmark matrix

BenchmarkPhi-4Qwen3.5 397B-A17BΔEdge
Reported by both · 4
GPQA Diamond56.1% 88.4% -32.3 ptQwen3.5 397B-A17B
MMLU-Pro70.4% 87.8% -17.4 ptQwen3.5 397B-A17B
LMArena Elo1216.6 1438.3 -221.7Qwen3.5 397B-A17B
OTIS Mock AIME 2024-2025 (Epoch AI run)13.8% epoch88.9% epoch-75.1 ptQwen3.5 397B-A17B
Only Phi-4 reports · 6
MMLU84.8% not reported
HumanEval82.6% not reported
ArenaHard75.4% not reported
HumanEval+82.8% not reported
IFEval63% not reported
MATH80.4% not reported
Only Qwen3.5 397B-A17B reports · 3
SWE-bench Verifiednot reported76.4%
AIME 2026not reported94.2% matharena
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported29.5% epoch
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 Phi-4 minus Qwen3.5 397B-A17B 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

SpecPhi-4Qwen3.5 397B-A17BEdge
Context window16K tokens262K tokensQwen3.5 397B-A17B
Max output16K tokens
Input price / 1M$0.172
Output price / 1M$1.03
Cached input / 1M
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$1.2
Modalitiestexttext · visionQwen3.5 397B-A17B
Released2024-12-122026-02-15
Cited benchmark scores118
Reliability

Provider status

All providers
More matchups

Qwen3.5 397B-A17B vs …

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Which one wins on your data?

Public benchmarks are a starting point. Run Phi-4 and Qwen3.5 397B-A17B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.