GPT-4.1vsQwen3.5 35B A3B
Qwen3.5 35B A3B is cheaper than GPT-4.1 at $0.25/M vs $2/M input tokens.
| Spec | GPT-4.1 | Qwen3.5 35B A3B |
|---|---|---|
| Input price | $2/M tokens | $0.25/M tokens |
| Output price | $8/M tokens | $2/M tokens |
| Context window | 1.0M tokens | 262K tokens |
| Parameters | Not disclosed | 35B (3B active) |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Apr 2025 | Feb 2026 |
| SWE-bench Verified | 54.6% | 69.2% |
Our Verdict
GPT-4.1
Qwen3.5 35B A3BRunner-up
Not enough votes to call it. On the specs, GPT-4.1 has the edge: bigger model tier, bigger context window, major provider backing.
Qwen3.5 35B A3B costs 4.0x less per token.
Too close to call
API pricing
Cost per 1M tokens
GPT-4.1
Input
$2.00
Output
$8.00
Qwen3.5 35B A3B
Input
$0.25
8.0× cheaper
Output
$2.00
4.0× cheaper
Qwen3.5 35B A3B is cheaper on both: 8.0× input, 4.0× output.
Where to run it
9 hosts, cheapest first
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
39%
GPT-4.1 uses 21.9x more emoji
GPT-4.1
Qwen3.5 35B A3B
58%Vocabulary51%
19wSentence Length15w
0.49Hedging0.39
8.8Bold6.8
5.8Lists4.8
0.22Emoji0.00
1.01Headings0.84
0.10Transitions0.14
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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