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	Gemini 2.5 Flash Google	Claude 4.8 Opus Anthropic	Gemini Omni Google	o3 OpenAI
Vendor	Google	Anthropic	Google	OpenAI
Family	Gemini	Claude	Gemini	o-series
Release date	2025-06-17	2026-05-28	2026-05-20	2025-04-16
Context window	1,000,000 tokens	1,000,000 tokens	1,000,000 tokens	200,000 tokens
Parameters	—	—	—	—
Modality	text, vision, audio	text, vision	text, vision, audio, video	text, vision
License	proprietary	proprietary	proprietary	proprietary
Source	proprietary	proprietary	proprietary	proprietary
Description	Google's cost-and-latency-optimized Gemini 2.5 variant. Generally available June 2025 — designed for high-throughput agentic workflows with sub-second first-token latency.	Anthropic's flagship hybrid-reasoning model — Opus 4.8 pushes coding and AI-agent workflows further (agentic coding 69.2% vs 64.3% on 4.7; multidisciplinary reasoning 57.9% vs 54.7%). 1M-token context, $5/$25 per MTok pricing held flat from Opus 4.7. Introduces Dynamic Workflows for Claude Code (research preview). GA on Anthropic API (`claude-opus-4-8`), AWS Bedrock, Google Vertex, Microsoft Foundry, and GitHub Copilot.	Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model.	Reasoning-focused model in the o-series.
Links		vendor →	vendor →
Benchmarks
GPQA-D	—	—	—	87.7%
AIME-25	—	—	—	88.9%
MMMU	—	—	82.5%	—