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	o3 OpenAI	Gemini 3 Pro Google	Gemini 2.5 Flash Google	Claude 4.7 Opus Anthropic
Vendor	OpenAI	Google	Google	Anthropic
Family	o-series	Gemini	Gemini	Claude
Release date	2025-04-16	2026-04-22	2025-06-17	2026-04-16
Context window	200,000 tokens	2,000,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	—	—	—	—
Modality	text, vision	text, vision, audio, video	text, vision, audio	text, vision
License	proprietary	proprietary	proprietary	proprietary
Source	proprietary	proprietary	proprietary	proprietary
Description	Reasoning-focused model in the o-series.	Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers.	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	Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle). Optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6.
Links		vendor →		vendor →
Benchmarks
MMLU-Pro	—	87.1%	—	88.2%
GPQA-D	87.7%	88.6%	—	90.1%
HumanEval	—	96.5%	—	97.4%
Aider	—	84.8%	—	91.2%
AIME-25	88.9%	92.8%	—	93.5%
LiveCB	—	76.1%	—	80.2%
MMMU	—	84.3%	—	79.0%