LLM Comparison

Claude Sonnet 5.5 vs Qwen3.8 Flash Next: benchmark scores, pricing & comparison.

Side-by-side Claude Sonnet 5.5 vs Qwen3.8 Flash Next comparison across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, context window, and AskClash RWT. Green marks the winner on each benchmark.

Verdict: Claude Sonnet 5.5 ranks higher (#6 vs #20) and wins 5 of 6 shared benchmarks; Qwen3.8 Flash Next costs less ($0.16/$0.47 vs $2.00/$10.0 per 1M tokens).

Open live leaderboardClaude Sonnet 5.5 model pageQwen3.8 Flash Next model page
Rank #6 vs #20AskClash overall scores 73.7 vs 63.4.
Pricing $2.00/$10.0 vs $0.16/$0.47Input and output token prices per 1M tokens when published.
Proprietary vs Open WeightAnthropic vs Alibaba.

Claude Sonnet 5.5 vs Qwen3.8 Flash Next benchmark comparison

Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.

MetricClaude Sonnet 5.5Qwen3.8 Flash Next
Overall Score73.763.4
Leaderboard Rank#6#20
ACB76.666.5
HLE64.535.9
GPQA—91.7
IFEval—81.3
SWE-Pro81.362.5
Terminal-Bench83.286.1
DeepSWE71.058.7
GDPval-AA1844.21743.0
Finance Agent58.1—
CharXiv—90.6
MMMU-Pro—79.8
Input Price (per 1M tokens)$2.00$0.16
Output Price (per 1M tokens)$10.0$0.47
Context Window1M1M
Benchmarks Published1012

Claude Sonnet 5.5 vs Qwen3.8 Flash Next head-to-head charts

Claude Sonnet 5.5 leads 6 and Qwen3.8 Flash Next leads 1 of 7 shared benchmarks. Qwen3.8 Flash Next is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Claude Sonnet 5.5Qwen3.8 Flash Next
Overall
73.7Claude Sonnet 5.5
63.4Qwen3.8 Flash Next
ACB
76.6Claude Sonnet 5.5
66.5Qwen3.8 Flash Next
HLE
64.5Claude Sonnet 5.5
35.9Qwen3.8 Flash Next
SWE-Pro
81.3Claude Sonnet 5.5
62.5Qwen3.8 Flash Next
Terminal-Bench
83.2Claude Sonnet 5.5
86.1Qwen3.8 Flash Next
DeepSWE
71.0Claude Sonnet 5.5
58.7Qwen3.8 Flash Next
GDPval-AA
1844.2Claude Sonnet 5.5
1743.0Qwen3.8 Flash Next
Claude Sonnet 5.5
Input$2.00
Output$10.0
Workload$4.00
Context1M
Qwen3.8 Flash Next
Input$0.16
Output$0.47
Workload$0.25
Context1M

Workload = published cost of 1M input + 200K output tokens. Open the live leaderboard for interactive compare charts.

More Claude Sonnet 5.5 and Qwen3.8 Flash Next comparisons

Explore how Claude Sonnet 5.5 and Qwen3.8 Flash Next stack up against other top-ranked LLMs.

Claude Fable 5.1 vs Claude Sonnet 5.5Claude Fable 5.1 vs Qwen3.8 Flash NextClaude Opus 5.5 vs Claude Sonnet 5.5Claude Opus 5.5 vs Qwen3.8 Flash NextClaude Fable 5 vs Claude Sonnet 5.5Claude Fable 5 vs Qwen3.8 Flash NextClaude Opus 5 vs Claude Sonnet 5.5Claude Opus 5 vs Qwen3.8 Flash NextGPT-5.6 Sol vs Claude Sonnet 5.5GPT-5.6 Sol vs Qwen3.8 Flash Next

How to read this comparison

Benchmark scores

Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.

Token pricing

Lower is better for input and output prices. Green marks the cheaper model per 1M tokens.

Coverage matters

Models with fewer disclosed benchmark cells may have inflated percentile scores. Check the benchmark cell count for context.

This comparison page is generated from the AskClash LLM leaderboard cache. Open the live leaderboard for real-time scores and interactive filtering.