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Claude Opus 4.5 vs Qwen3.8 27B (batch)

Claude Opus 4.5

Anthropic

85#66
vs
Qwen3.8 27B (batch)

Alibaba

40#264
Signal-by-Signal Comparison
SignalClaude Opus 4.5DeltaQwen3.8 27B (batch)
Capabilities
100
+17
83
Benchmarks
85
+85
0
Pricing
75
-23
98
Context window size
84
-2
86
Recency
70
-30
100
Output Capacity
77
-9
86
Overall Result
2 wins
of 6
4 wins
Qwen3.8 27B (batch) wins 4 of 6 signals

Score History

Score History (38 data points)
Claude Opus 4.5Qwen3.8 27B (batch)
Claude Opus 4.5

85.1

current score

Leader

Claude Opus 4.5

right now

Qwen3.8 27B (batch)

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Claude Opus 4.5

Anthropic

Per request$0.017500
Daily$58.33
Monthly$1750.00
Annual$21000.00

Qwen3.8 27B (batch)

Alibaba

Best Value
Per request$0.001160
Daily$3.87
Monthly$116.00
Annual$1392.00

Qwen3.8 27B (batch) saves you $1634.00/month

That's $19608.00/year compared to Claude Opus 4.5 at your current usage level of 100K calls/month.

93% cheaper
Choose Qwen3.8 27B (batch) for cost optimization

Claude Opus 4.5 pricing:
Input:$5.00/M tokens
Output:$25.00/M tokens
Qwen3.8 27B (batch) pricing:
Input:$0.16/M tokens
Output:$2.00/M tokens
Winner
Claude Opus 4.5

Anthropic

85

Composite Score

Qwen3.8 27B (batch)

Alibaba

40

Composite Score

Signal-by-Signal Comparison
MetricClaude Opus 4.5Qwen3.8 27B (batch)Winner
Overall Score
85
40
Claude Opus 4.5
Rank#66#264
Claude Opus 4.5
Quality Rank#66#264
Claude Opus 4.5
Adoption Rank#66#264
Claude Opus 4.5
Parameters--27B--
Context Window200K262K
Qwen3.8 27B (batch)
Pricing$5.00/$25.00/M$0.16/$2.00/M--
Signal Scores
Capabilities
100
83
Claude Opus 4.5
Benchmarks
85
--
Claude Opus 4.5
Pricing
75
98
Qwen3.8 27B (batch)
Context window size
84
86
Qwen3.8 27B (batch)
Recency
70
100
Qwen3.8 27B (batch)
Output Capacity
77
86
Qwen3.8 27B (batch)
Benchmark Head-to-Head(12 benchmarks)
Claude Opus: 0Qwen3.8 27B: 0
Claude Opus
Qwen3.8 27B
Normalized 0-100%
MMLU
91.4%-
MMLU-Pro
78%-
GPQA Diamond
86.2%-
MATH-500
88.1%-
HumanEval
95.2%-
SWE-bench Verified
80.9%-
AIME 2024
72%-
IFEval
91.5%-
BBH
90%-
Arena Elo
1430-
LiveBench
74%-
HLE
32.1%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Claude Opus 4.5Elite Tier

Scores 85/100 (rank #66), placing it in the top 78% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Qwen3.8 27B (batch)Entry Level

Scores 40/100 (rank #264), placing it in the top 9% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Claude Opus 4.5 has a 45-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Claude Opus 4.5 when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose Qwen3.8 27B (batch) when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
Claude Opus 4.5
Input cost$5.00/M tokens
Output cost$25.00/M tokens
Cost per quality point$0.353
Est. monthly (1M tokens/day)$450.00
Qwen3.8 27B (batch)Best Value
Input cost$0.16/M tokens
Output cost$2.00/M tokens
Cost per quality point$0.054
Est. monthly (1M tokens/day)$32.40

Qwen3.8 27B (batch) offers 93% better value per quality point. At 1M tokens/day, you'd spend $32.40/month with Qwen3.8 27B (batch) vs $450.00/month with Claude Opus 4.5 - a $417.60 monthly difference.

Latency & Speed
Claude Opus 4.5Faster
Speed score0/100
Qwen3.8 27B (batch)
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Claude Opus 4.5

Customer support chatbot

Suitable for user-facing chat with competitive response times. Qwen3.8 27B (batch) also offers lower per-token costs for high-volume support

Claude Opus 4.5

Long document analysis

Larger context window (262K tokens) can process longer documents, contracts, and research papers in a single pass

Qwen3.8 27B (batch)

Batch data extraction

Lower output pricing ($2.00/M) reduces costs when processing thousands of records daily

Qwen3.8 27B (batch)

Creative writing & content

Higher overall composite score (85/100) correlates with better nuance, coherence, and style in long-form content

Claude Opus 4.5

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Claude Opus 4.5
Which Should You Choose?
Our recommendation:
Claude Opus 4.5

Claude Opus 4.5 clearly outperforms Qwen3.8 27B (batch) with a significant 45.099999999999994-point lead. For most general use cases, Claude Opus 4.5 is the stronger choice. However, Qwen3.8 27B (batch) may still excel in niche scenarios.

Claude Opus 4.5
Recommended

by Anthropic

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Alibaba

  • Choose for Cost - 93% lower pricing; better value at scale
Capability Comparison
CapabilityClaude Opus 4.5Qwen3.8 27B (batch)
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Claude Opus 4.5

Anthropic

$39.00
estimated monthly cost

Qwen3.8 27B (batch)

Alibaba

Best Value
$2.69
estimated monthly cost

Qwen3.8 27B (batch) saves you $36.31/month

That's 93% cheaper than Claude Opus 4.5 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterClaude Opus 4.5Qwen3.8 27B (batch)
Context Window200K262K
Max Output Tokens64,000235,929
Open SourceNoYes
CreatedNov 24, 2025Aug 14, 2026
Last updated: 35m ago

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