Comprehensive side-by-side LLM comparison
Claude Sonnet 4 leads with 3.9% higher average benchmark score. Claude Sonnet 4 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 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude Sonnet 4, released by Anthropic in May 2025, is a large language model from the Claude 4 family that delivers a balance of performance and efficiency for coding, reasoning, and analytical tasks. 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 targets development workflows, document analysis, and applications that benefit from the performance characteristics of the Claude 4 generation.
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.
3 months newer
Doubao 1.5 Vision Pro
ByteDance
2025-01-22

Claude Sonnet 4
Anthropic
2025-05-14
Cost per million tokens (USD)
Claude Sonnet 4
Doubao 1.5 Vision Pro
Context window and performance specifications
Average performance across 1 common benchmarks
Claude Sonnet 4
Doubao 1.5 Vision Pro
Performance comparison across key benchmark categories
Claude Sonnet 4
Doubao 1.5 Vision Pro
Claude Sonnet 4
2025-01
Available providers and their performance metrics
Claude Sonnet 4
Anthropic
AWS Bedrock
Google Cloud Vertex AI
Doubao 1.5 Vision Pro
Claude Sonnet 4
Doubao 1.5 Vision Pro
Claude Sonnet 4
Doubao 1.5 Vision Pro
ByteDance API