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Phi 4 vs Qwen3.6 27B

Phi 4 has the stronger public benchmark scores. Phi 4 costs 92% less for the same work.

Phi 4

by Microsoft · #66 of 67 overall

Coming soon · price at launch
Context
16K
Input / 1M
$0.070
Output / 1M
$0.14

Qwen3.6 27B

by Qwen

Coming soon · price at launch
Context
256K
Input / 1M
$0.32
Output / 1M
$3.20

Better overall

Phi 4

Grade 15.5 vs —

Cheaper

Phi 4

92% less, $0.087 vs $1.04 blended

Larger context

Qwen3.6 27B

16K vs 256K tokens

Head to head

Public benchmarks. Longer is better; each value links to its source.

LMArena TextElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Qwen3.6 27BQwen3.6 27B: —
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Qwen3.6 27BQwen3.6 27B: —
SWE-bench Verified% of issues resolved · SWE-bench · Apr 21, 2026 · reference
Phi 4Phi 4: —
SWE-Bench Pro% of tasks resolved · Scale AI SWE-Bench Pro · Apr 21, 2026 · reference
Phi 4Phi 4: —
Terminal-Bench 2.1% of tasks passed · Terminal-Bench · Aug 5, 2026 · reference
Phi 4Phi 4: —
Terminal-Bench 2.0% of tasks passed · Terminal-Bench · Apr 21, 2026 · reference
Phi 4Phi 4: —
LiveCodeBenchpass@1, % · LiveCodeBench · Apr 21, 2026 · reference
Phi 4Phi 4: —

Phi 4Qwen3.6 27Bv = reported by the model’s maker. — = no public score yet. Arena bars span the range across every model we grade.

What it costs you

Drag to match your monthly usage.

Phi 4$19.60 /month
Qwen3.6 27B$192 /month

Phi 4 saves you $172 a month at this usage, $2,069 a year.

At a glance

AttributePhi 4Qwen3.6 27B
Made byMicrosoftQwen
AvailabilityComing soonComing soon
Overall gradeGood · 15.5Not rated
Overall rank#66 of 67Not ranked
Input price$0.070 per 1M$0.32 per 1M
Output price$0.14 per 1M$3.20 per 1M
Context window16,384 tokens262,144 tokens
Reasoning levelsNoYes
Reads imagesNoYes
Model IDphi-4qwen3.6-27b

Try both with one key

Same endpoint, same key, both hosted in the USA. Change one word to switch models, in Claude Code, Cursor, Cline or your own code.

Get your API key
# Ask either model the same thing
curl https://fullsendai.com/v1/chat/completions \
  -H "Authorization: Bearer $FULLSEND_API_KEY" \
  -d '{"model": "phi-4", "messages": [...]}'

# …then swap one word
  -d '{"model": "qwen3.6-27b", "messages": [...]}'

Questions

Is Phi 4 or Qwen3.6 27B better?

One of them doesn’t have enough public benchmark scores to be graded yet; compare the benchmarks both have above.

Which is cheaper, Phi 4 or Qwen3.6 27B?

Phi 4: $0.070 in and $0.14 out per million tokens, against $0.32 and $3.20 through FullsendAI.

Which has the larger context window?

Qwen3.6 27B, with 262,144 tokens.

Can I use both with one API key?

Yes, once they launch: both are coming soon, at the prices shown, and both will use the same FullsendAI key.

Model rankingsAll benchmarksCompare other models

Scores: LMArena (CC BY 4.0), SWE-bench, Scale AI SWE-Bench Pro, Terminal-Bench, LiveCodeBench, and model makers’ published results where marked v. Prices are FullsendAI’s, per million tokens. Data as of Oct 28, 2026.