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Gemini 2.5 Flash vs Qwen3 Next 80B A3B Instruct

Close to a tie overall. Qwen3 Next 80B A3B Instruct costs 60% less for the same work.

Gemini 2.5 Flash

by Google · #36 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$0.30
Output / 1M
$2.50

Qwen3 Next 80B A3B Instruct

by Qwen · #37 of 67 overall

Coming soon · price at launch
Context
256K
Input / 1M
$0.090
Output / 1M
$1.10

Better overall

About even

Grade 62.9 vs 62.5

Cheaper

Qwen3 Next 80B A3B Instruct

60% less, $0.34 vs $0.85 blended

Larger context

Gemini 2.5 Flash

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
Gemini 2.5 FlashGemini 2.5 Flash: 1,409
Qwen3 Next 80B A3B InstructQwen3 Next 80B A3B Instruct: 1,399
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Gemini 2.5 FlashGemini 2.5 Flash: 1,424
Qwen3 Next 80B A3B InstructQwen3 Next 80B A3B Instruct: 1,444
Aider Polyglot% of exercises solved · Aider (aider.chat) · Sep 9, 2025
Gemini 2.5 FlashGemini 2.5 Flash: —
Qwen3 Next 80B A3B InstructQwen3 Next 80B A3B Instruct: 49.8%v
SWE-bench Verified% of issues resolved · SWE-bench · reference
Gemini 2.5 FlashGemini 2.5 Flash: 48.9%v
Qwen3 Next 80B A3B InstructQwen3 Next 80B A3B Instruct: —
LiveCodeBenchpass@1, % · LiveCodeBench · Sep 9, 2025 · reference
Gemini 2.5 FlashGemini 2.5 Flash: —
Qwen3 Next 80B A3B InstructQwen3 Next 80B A3B Instruct: 56.6%v

Gemini 2.5 FlashQwen3 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.

Gemini 2.5 Flash$160 /month
Qwen3 Next 80B A3B Instruct$62.00 /month

Qwen3 Next 80B A3B Instruct saves you $98.00 a month at this usage, $1,176 a year.

At a glance

AttributeGemini 2.5 FlashQwen3 Next 80B A3B Instruct
Made byGoogleQwen
AvailabilityComing soonComing soon
Overall gradeStrong · 62.9Strong · 62.5
Overall rank#36 of 67#37 of 67
Input price$0.30 per 1M$0.090 per 1M
Output price$2.50 per 1M$1.10 per 1M
Context window1,000,000 tokens262,144 tokens
Reasoning levelsYesYes
Reads imagesYesNo
Model IDgemini-2.5-flashqwen3-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.

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": "gemini-2.5-flash", "messages": [...]}'

# …then swap one word
  -d '{"model": "qwen3-next-80b-a3b-instruct", "messages": [...]}'

Questions

Is Gemini 2.5 Flash or Qwen3 Next 80B A3B Instruct better?

They grade within two points of each other (62.9 and 62.5), so pick on price and the benchmarks that match your work.

Which is cheaper, Gemini 2.5 Flash or Qwen3 Next 80B A3B Instruct?

Qwen3 Next 80B A3B Instruct: $0.090 in and $1.10 out per million tokens, against $0.30 and $2.50 through FullsendAI.

Which has the larger context window?

Gemini 2.5 Flash, 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), SWE-bench, LiveCodeBench, and model makers’ published results where marked v. Prices are FullsendAI’s, per million tokens. Data as of Oct 28, 2026.