+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-5 Pro vs Seed-1.8
Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
+
+
+
+
OpenAI
GPT-5 Pro is an extended-reasoning variant from the GPT-5 family that applies more compute per response for deeper, more thorough answers on complex problems. It features the same 400K token context window and multimodal capabilities as GPT-5, with additional reasoning depth suited to research-grade analysis, advanced coding, and tasks requiring comprehensive, accurate outputs.
+
+
+
+
ByteDance
Seed-1.8, developed by ByteDance Seed, is a generalized agentic large language model supporting text and image input, with industry-leading GUI agent capabilities and improvements in multimodal reasoning over its predecessor Seed1.5-VL. It targets information retrieval, code generation, GUI interaction, and complex agentic workflows requiring robust multimodal understanding.
4 months newer
GPT-5 Pro
OpenAI
2025-08-07
Seed-1.8
ByteDance
2025-12-18
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT-5 Pro
0 providers
+
+
+
+
Seed-1.8
0 providers
+
+
+
+
GPT-5 Pro
Avg Score:0.0%
Providers:0
+
+
+
+
Seed-1.8
Avg Score:0.0%
Providers:0