Claude Opus 5.5Qwen3 Next 80B A3B Instructv = 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 Next 80B A3B Instruct$62.00 /month
Qwen3 Next 80B A3B Instruct saves you $1,538 a month at this usage, $18,456 a year.
At a glance
Attribute
Claude Opus 5.5
Qwen3 Next 80B A3B Instruct
Made by
Anthropic
Qwen
Availability
Coming soon
Coming soon
Overall grade
Excellent · 99.5
Strong · 62.5
Overall rank
#1 of 67
#37 of 67
Input price
$4.00 per 1M
$0.090 per 1M
Output price
$20.00 per 1M
$1.10 per 1M
Context window
1,000,000 tokens
262,144 tokens
Reasoning levels
Yes
Yes
Reads images
Yes
No
Model ID
claude-opus-5-5
qwen3-next-80b-a3b-instruct
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.
# Ask either model the same thingcurlhttps://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-next-80b-a3b-instruct", "messages": [...]}'
Questions
Is Claude Opus 5.5 or Qwen3 Next 80B A3B Instruct better?
Claude Opus 5.5 grades 99.5 against 62.5 for Qwen3 Next 80B A3B Instruct, from public benchmarks.
Which is cheaper, Claude Opus 5.5 or Qwen3 Next 80B A3B Instruct?
Qwen3 Next 80B A3B Instruct: $0.090 in and $1.10 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.
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.
