Skip to content

Claude Opus 5.5 vs Qwen3 235B A22B Instruct 2507

Claude Opus 5.5 grades higher overall (99.5 against 71.0). Qwen3 235B A22B Instruct 2507 costs 97% less for the same work.

Claude Opus 5.5

by Anthropic · #1 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$4.00
Output / 1M
$20.00

Qwen3 235B A22B Instruct 2507

by Qwen · #28 of 67 overall

Coming soon · price at launch
Context
256K
Input / 1M
$0.090
Output / 1M
$0.55

Better overall

Claude Opus 5.5

Grade 99.5 vs 71.0

Cheaper

Qwen3 235B A22B Instruct 2507

97% less, $0.20 vs $8.00 blended

Larger context

Claude Opus 5.5

1M 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
Claude Opus 5.5Claude Opus 5.5: 1,508
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: 1,422
LMArena WebDevElo-style rating · LMArena (CC BY 4.0) · Oct 13, 2026
Claude Opus 5.5Claude Opus 5.5: 1,811
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: —
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Claude Opus 5.5Claude Opus 5.5: 1,545
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: 1,472
Aider Polyglot% of exercises solved · Aider (aider.chat) · Jul 21, 2025
Claude Opus 5.5Claude Opus 5.5: —
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: 57.3%v
SWE-Bench Pro% of tasks resolved · Scale AI SWE-Bench Pro · Sep 22, 2026 · reference
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: —
Terminal-Bench 4.0% of tasks passed · Terminal-Bench · Sep 22, 2026 · reference
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: —
LiveCodeBenchpass@1, % · LiveCodeBench · Jul 21, 2025 · reference
Claude Opus 5.5Claude Opus 5.5: —
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: 51.8%v

Claude Opus 5.5Qwen3 235B A22B Instruct 2507v = 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 Opus 5.5$1,600 /month
Qwen3 235B A22B Instruct 2507$40.00 /month

Qwen3 235B A22B Instruct 2507 saves you $1,560 a month at this usage, $18,720 a year.

At a glance

AttributeClaude Opus 5.5Qwen3 235B A22B Instruct 2507
Made byAnthropicQwen
AvailabilityComing soonComing soon
Overall gradeExcellent · 99.5Excellent · 71.0
Overall rank#1 of 67#28 of 67
Input price$4.00 per 1M$0.090 per 1M
Output price$20.00 per 1M$0.55 per 1M
Context window1,000,000 tokens262,144 tokens
Reasoning levelsYesYes
Reads imagesYesNo
Model IDclaude-opus-5-5qwen3-235b-a22b-instruct-2507

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-opus-5-5", "messages": [...]}'

# …then swap one word
  -d '{"model": "qwen3-235b-a22b-instruct-2507", "messages": [...]}'

Questions

Is Claude Opus 5.5 or Qwen3 235B A22B Instruct 2507 better?

Claude Opus 5.5 grades 99.5 against 71.0 for Qwen3 235B A22B Instruct 2507, from public benchmarks.

Which is cheaper, Claude Opus 5.5 or Qwen3 235B A22B Instruct 2507?

Qwen3 235B A22B Instruct 2507: $0.090 in and $0.55 out per million tokens, against $4.00 and $20.00 through FullsendAI.

Which has the larger context window?

Claude Opus 5.5, 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), Aider (aider.chat), 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.