Claude Sonnet 4.5vs.Qwen 3.8 27B
Which one is better?
Qwen 3.8 27B is clearly ahead in the overall index and is cheaper too: Claude Sonnet 4.5 costs 75 times (input) and 6 times (output) as much per token.
Claude Sonnet 4.5
Rank 62 to 76
Qwen 3.8 27B
Rank 44 to 57
Claude Sonnet 4.5
slow
Qwen 3.8 27B
slow
Claude Sonnet 4.5
expensive
Qwen 3.8 27B
fairly cheap
Claude Sonnet 4.5
- Subscription
No Anthropic subscription includes this model. Through other providers from ≈ €6.36 a month (ElevenLabs Starter, with limited credits). 44 plans in Germany.
- Via API
$3 input, $15 output per 1M tokens, unchanged since our price tracking began on Aug 14, 2026.
- Note
- There is a successor: Claude Sonnet 4.6 (rank 43 to 54, same price).
Qwen 3.8 27B
- Subscription
No Alibaba subscription includes this model. Through other providers from ≈ €1.06 a month (Command Code Go, with limited credits). 10 plans in Germany.
- Via API
$0.04 input, $2.50 output per 1M tokens according to the provider; the price index has listed it at $0.42 and $3 since Oct 27, 2026.
Overall index with data through Oct 29, 2026 · Prices from Oct 29, 2026 · Speed: measured by Artificial Analysis · Subscriptions as of Oct 24, 2026 · Subscription prices incl. VAT
Where is the difference?
Values from 0 to 100 per task area. We only name a winner when the gap is large enough and there are enough tests.
Sonnet 4.5 ahead: 0Qwen 3.8 27B ahead: 4level: 1too little data: 4of 9 areas
Show 2 more areas that do not count toward the overall index
See for yourself: same task, one attempt
SVG short test
One SVG task with the same fixed settings for every model, without hidden thinking.
Shared test round: 43b8c5c46830
Claude Sonnet 4.5
Test details
API reports 0 reasoning tokensAPI model: anthropic/claude-sonnet-4.5686 output tokensQwen 3.8 27B
Test details
API reports 0 reasoning tokensAPI model: qwen/qwen3.8-27b865 output tokensEarlier tests
Pelican on a bicycle
A community classic for free-form SVG drawing.
Claude Sonnet 4.5
Reasoning (requested): high
Current attempt
- Run date
- Oct 1, 2026
- API provider
- openrouter
- Requested API model
- anthropic/claude-sonnet-4.5
- API model reported in response
- anthropic/claude-sonnet-4.5
- Reasoning setting
- high
- Pinned endpoint
- Anthropic | anthropic/claude-4.5-sonnet-20250929
- Temperature
- Provider default
- Token limit including reasoning
- 8,192 tokens
- Test protocol
- community-visual-tests-v1
- Technical checks
- Passed, not a quality rating
- Response time
- 30.2 s
Visually reviewed. This individual test does not establish overall model quality.
Qwen 3.8 27B
Not tested yet
Prompt and test conditions
Generate an SVG of a pelican riding a bicycle
Token limit including reasoning: 8,192 tokens
Task origin (Simon Willison)All data side by side
The better value is bold. For the overall index only when the gap is clear.
| Metric | Claude Sonnet 4.5 | Qwen 3.8 27B |
|---|---|---|
| Intelligence | ||
| Overall index0 to 100, higher is better | below 1 | 11 |
| Rank | Rank 62 to 76 of 95 | Rank 44 to 57 of 95 |
| Price per 1M tokens | ||
| Inputwhat you send | $3 | $0.04 |
| Outputwhat the model writes | $15 | $2.50 |
| Speed | ||
| Tokens per second | 48 | 40 |
| Technical | ||
| Context windowhow much text the model reads at once | 200,000 tokens≈ 300 A4 pages | 262,144 tokens≈ 390 A4 pages |
| Knowledge cutoff | January 2025 | n/a |
| Released | September 2025 | Aug 14, 2026 |
| Availability | Active | Active |
| Open weights | no | yes |
Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis
Shared benchmarks
Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.
A: Claude Sonnet 4.5B: Qwen 3.8 27B
Compare another matchup
More matchups
Related LLM comparisons
Compare Claude Sonnet 4.5 and Qwen 3.8 27B with other leading models.