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Claude Sonnet 4.5 vs Doubao 1.5 Vision Pro
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 21.4% higher average benchmark score. Claude Sonnet 4.5 offers 227.9K more tokens in context window than Doubao 1.5 Vision Pro. Doubao 1.5 Vision Pro is $17.84 cheaper per million tokens. Claude Sonnet 4.5 is available on 3 providers. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4.5, released by Anthropic in September 2025, is a large language model from the Claude 4.5 family that balances response quality and efficiency for coding, agentic tasks, and analytical work. It features a 200K token context window (extendable to 1M tokens in beta), 64K maximum output tokens, native image understanding, and extended thinking support. Sonnet 4.5 targets use cases that require a balance of throughput and reasoning depth, including code generation, data analysis, and multi-step agentic pipelines.
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ByteDance
Doubao 1.5 Vision Pro, released by ByteDance via Volcano Engine on January 22, 2025, is a multimodal large language model from the Doubao 1.5 family with comprehensive upgrades to visual reasoning, OCR, and fine-grained image understanding. Built on a large-scale sparse MoE architecture, it targets vision-intensive workflows including document analysis, chart interpretation, and visual question answering.
8 months newer
Doubao 1.5 Vision Pro
ByteDance
2025-01-22
Claude Sonnet 4.5
Anthropic
2025-09-29
Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4.5
Input:$3.00
Output:$15.00
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Doubao 1.5 Vision Pro
Input:$0.08
Output:$0.08($17.84 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Sonnet 4.5
Average Score:61.4%(+21.4%)
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Doubao 1.5 Vision Pro
Average Score:40.0%
Performance comparison across key benchmark categories
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Claude Sonnet 4.5
Agents61.4%(+21.4%)
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Doubao 1.5 Vision Pro
Agents40.0%
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Knowledge Cutoff
Training data recency comparison
Claude Sonnet 4.5
2025-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4.5
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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Doubao 1.5 Vision Pro
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Claude Sonnet 4.5
Avg Score:61.4%(+21.4%)
Providers:3
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Doubao 1.5 Vision Pro
Avg Score:40.0%
Providers:1