Comprehensive side-by-side LLM comparison
Gemini 3.1 Pro offers 1.1M more tokens in context window than Doubao 1.5 Vision Pro. Doubao 1.5 Vision Pro is $13.84 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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.
Google DeepMind
Gemini 3.1 Pro is a multimodal language model from Google DeepMind, released in preview in February 2026 as a point-version upgrade to Gemini 3 Pro focused on improving reasoning depth, factual grounding, and coding and agentic task performance. The model accepts text, images, video, audio, and PDFs as inputs across a 1M token context window, extending the multimodal breadth of the Gemini 3 series with a companion endpoint specifically optimized for custom tool use in agentic pipelines. Google describes it as built to refine the reliability and performance of the Gemini 3 Pro series, reflecting an incremental engineering iteration rather than an architectural overhaul.
1 year newer
Doubao 1.5 Vision Pro
ByteDance
2025-01-22

Gemini 3.1 Pro
Google DeepMind
2026-02-19
Cost per million tokens (USD)
Doubao 1.5 Vision Pro
Gemini 3.1 Pro
Context window and performance specifications
Gemini 3.1 Pro
2025-01
Available providers and their performance metrics
Doubao 1.5 Vision Pro
ByteDance API
Gemini 3.1 Pro
Doubao 1.5 Vision Pro
Gemini 3.1 Pro
Doubao 1.5 Vision Pro
Gemini 3.1 Pro