Timeline
Released with 1M token context and 128k output.
Claude quietly removed full thinking traces feature, according to user reports and researcher Ethan Mollick.
Claude Opus 5 released with Fast Mode (2.5x speed) at Opus 4.8 pricing, saving 50% on tokens
Claude Opus 4.8 beats Gemini Pro 5 by 11 points on Fable 5 benchmark
Claude Opus 4.8 achieves 89% task completion and 2.5% harm rate on WorkBench, a dramatic improvement over GPT-4.
Claude Opus 4.8 adds dynamic workflows for agentic coding
Gemini introduces data import feature allowing users to transfer chat history and preferences from other AI platforms
Gemini market share reached 27.7%.
Achieved 92.3% recall@10 on visual product search benchmark, beating ResNet50 and SigLIP
Gemini launches ability to create Google Docs, Sheets, Slides, and PDFs directly in chat
Ecosystem
Claude Opus 4.6
Gemini
Benchmarks
Evidence (14 articles)
Claude Code's 1M Context Window is Now Free: How to Use It Today
Mar 13, 2026Gemini 3.1 Pro Claims Benchmark Supremacy: A New Era in AI Reasoning Emerges
Feb 24, 2026Google Gemini-SQL2 Hits 80.04% on BIRD, Beating GPT-5.5 by 7 Points
Jun 13, 2026Claude Octopus: GitHub Tool Enables Claude Code to Run Gemini and Codex Simultaneously
Mar 16, 2026HydraDB Raises $6.5M for Persistent Agent Memory, Solving the Session Gap
Jun 1, 2026Claude Opus 4.8 Now Beats Gemini Pro 5 in Coding Benchmarks — What It
Jul 12, 2026The Text-Crutch Conundrum: How VLMs' Spatial Reasoning Depends on Reading, Not Seeing
Feb 19, 2026ByteDance's CUDA Agent: The AI System Outperforming Human Experts in GPU Code Generation
Mar 2, 2026+ 6 more articles