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DeepSeek V3.1 vs Qwen3 235B A22B Instruct 2507

Qwen3 235B A22B Instruct 2507 grades higher overall (71.0 against 68.7). Qwen3 235B A22B Instruct 2507 costs 52% less for the same work.

DeepSeek V3.1

by DeepSeek · #31 of 67 overall

Coming soon · price at launch
Context
160K
Input / 1M
$0.25
Output / 1M
$0.95

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

Qwen3 235B A22B Instruct 2507

Grade 68.7 vs 71.0

Cheaper

Qwen3 235B A22B Instruct 2507

52% less, $0.20 vs $0.42 blended

Larger context

Qwen3 235B A22B Instruct 2507

160K 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 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: 1,422
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: 1,472
Aider Polyglot% of exercises solved · Aider (aider.chat) · Aug 21, 2025
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: 57.3%v
SWE-bench Verified% of issues resolved · SWE-bench · Aug 21, 2025 · reference
DeepSeek V3.1DeepSeek V3.1: 66%v
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: —
LiveCodeBenchpass@1, % · LiveCodeBench · Aug 21, 2025 · reference
Qwen3 235B A22B Instruct 2507Qwen3 235B A22B Instruct 2507: 51.8%v

DeepSeek V3.1Qwen3 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.

DeepSeek V3.1$88.00 /month
Qwen3 235B A22B Instruct 2507$40.00 /month

Qwen3 235B A22B Instruct 2507 saves you $48.00 a month at this usage, $576 a year.

At a glance

AttributeDeepSeek V3.1Qwen3 235B A22B Instruct 2507
Made byDeepSeekQwen
AvailabilityComing soonComing soon
Overall gradeStrong · 68.7Excellent · 71.0
Overall rank#31 of 67#28 of 67
Input price$0.25 per 1M$0.090 per 1M
Output price$0.95 per 1M$0.55 per 1M
Context window163,840 tokens262,144 tokens
Reasoning levelsYesYes
Reads imagesNoNo
Model IDdeepseek-v3.1qwen3-235b-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": "deepseek-v3.1", "messages": [...]}'

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

Questions

Is DeepSeek V3.1 or Qwen3 235B A22B Instruct 2507 better?

Qwen3 235B A22B Instruct 2507 grades 71.0 against 68.7 for DeepSeek V3.1, from public benchmarks.

Which is cheaper, DeepSeek V3.1 or Qwen3 235B A22B Instruct 2507?

Qwen3 235B A22B Instruct 2507: $0.090 in and $0.55 out per million tokens, against $0.25 and $0.95 through FullsendAI.

Which has the larger context window?

Qwen3 235B A22B Instruct 2507, 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), 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.