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Claude Sonnet 4.6 vs Qwen3.7 Max

Close to a tie overall. Qwen3.7 Max costs 38% less for the same work.

Claude Sonnet 4.6

by Anthropic · #17 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$3.00
Output / 1M
$15.00

Qwen3.7 Max

by Qwen · #18 of 67 overall

Coming soon · price at launch
Context
250K
Input / 1M
$2.50
Output / 1M
$7.50

Better overall

About even

Grade 79.2 vs 78.8

Cheaper

Qwen3.7 Max

38% less, $3.75 vs $6.00 blended

Larger context

Claude Sonnet 4.6

1M vs 250K 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
Claude Sonnet 4.6Claude Sonnet 4.6: 1,472
LMArena WebDevElo-style rating · LMArena (CC BY 4.0) · Oct 13, 2026
Claude Sonnet 4.6Claude Sonnet 4.6: 1,522
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Claude Sonnet 4.6Claude Sonnet 4.6: 1,528
SWE-bench Verified% of issues resolved · SWE-bench · Feb 17, 2026 · reference
Claude Sonnet 4.6Claude Sonnet 4.6: 79.6%v
Qwen3.7 MaxQwen3.7 Max: —
SWE-Bench Pro% of tasks resolved · Scale AI SWE-Bench Pro · Aug 8, 2026 · reference
Claude Sonnet 4.6Claude Sonnet 4.6: —
Terminal-Bench 2.1% of tasks passed · Terminal-Bench · Aug 8, 2026 · reference
Claude Sonnet 4.6Claude Sonnet 4.6: —
Terminal-Bench 2.0% of tasks passed · Terminal-Bench · Feb 17, 2026 · reference
Claude Sonnet 4.6Claude Sonnet 4.6: 59.1%v
Qwen3.7 MaxQwen3.7 Max: —

Claude Sonnet 4.6Qwen3.7 Maxv = 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.

Claude Sonnet 4.6$1,200 /month
Qwen3.7 Max$800 /month

Qwen3.7 Max saves you $400 a month at this usage, $4,800 a year.

At a glance

AttributeClaude Sonnet 4.6Qwen3.7 Max
Made byAnthropicQwen
AvailabilityComing soonComing soon
Overall gradeExcellent · 79.2Excellent · 78.8
Overall rank#17 of 67#18 of 67
Input price$3.00 per 1M$2.50 per 1M
Output price$15.00 per 1M$7.50 per 1M
Context window1,000,000 tokens256,000 tokens
Reasoning levelsYesYes
Reads imagesYesNo
Model IDclaude-sonnet-4-6qwen3.7-max

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": "claude-sonnet-4-6", "messages": [...]}'

# …then swap one word
  -d '{"model": "qwen3.7-max", "messages": [...]}'

Questions

Is Claude Sonnet 4.6 or Qwen3.7 Max better?

They grade within two points of each other (79.2 and 78.8), so pick on price and the benchmarks that match your work.

Which is cheaper, Claude Sonnet 4.6 or Qwen3.7 Max?

Qwen3.7 Max: $2.50 in and $7.50 out per million tokens, against $3.00 and $15.00 through FullsendAI.

Which has the larger context window?

Claude Sonnet 4.6, with 1,000,000 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, and model makers’ published results where marked v. Prices are FullsendAI’s, per million tokens. Data as of Oct 28, 2026.