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Doubao 1.5 Vision Pro vs Grok 4.1 Fast
Comprehensive side-by-side LLM comparison
Grok 4.1 Fast offers 2.0M more tokens in context window than Doubao 1.5 Vision Pro. Doubao 1.5 Vision Pro is $5.84 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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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.
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xAI
Grok 4.1 Fast, released by xAI in November 2025, is a fast-response variant from the Grok 4 family featuring a 2M token context window designed for high-throughput applications. It omits thinking tokens for immediate responses, reducing latency while maintaining strong output quality. Grok 4.1 Fast targets production APIs, real-time assistants, and cost-sensitive applications requiring long-context understanding at high volume.
9 months newer
Doubao 1.5 Vision Pro
ByteDance
2025-01-22
Grok 4.1 Fast
xAI
2025-11-17
Pricing Comparison
Cost per million tokens (USD)
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Doubao 1.5 Vision Pro
Input:$0.08
Output:$0.08($5.84 cheaper)
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Grok 4.1 Fast
Input:$1.00
Output:$5.00
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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Doubao 1.5 Vision Pro
1 providers
ByteDance API
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Grok 4.1 Fast
1 providers
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Doubao 1.5 Vision Pro
Avg Score:0.0%
Providers:1
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Grok 4.1 Fast
Avg Score:0.0%
Providers:1