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	o3 OpenAI	Qwen3.6-27B Alibaba	Mistral Large 2 Mistral	Gemini 2.5 Flash Google
Vendor	OpenAI	Alibaba	Mistral	Google
Family	o-series	Qwen	Mistral	Gemini
Release date	2025-04-16	2026-04-22	2024-07-24	2025-06-17
Context window	200,000 tokens	262,144 tokens	128,000 tokens	1,000,000 tokens
Parameters	—	27B (dense)	123B	—
Modality	text, vision	text, vision, video	text	text, vision, audio
License	proprietary	Apache-2.0	Mistral Research License	proprietary
Source	proprietary	open weights	open weights	proprietary
Description	Reasoning-focused model in the o-series.	Alibaba's first dense open-weight in the 3.6 family. Strong agentic-coding scores (77.2 SWE-bench Verified, matching Claude 4.5 Opus on Terminal-Bench 2.0). Supports 201 languages and multimodal text/image/video input.	Large text-only Mistral model with a 128K context window and 123B parameters, tuned for strong instruction following and long-context reasoning. Mistral's flagship open-weights release in the Large 2 line.	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.
Links		weights →	vendor →weights →
Benchmarks
MMLU-Pro	—	78.9%	—	—
GPQA-D	87.7%	—	—	—
HumanEval	—	91.5%	89.0%	—
Aider	—	70.2%	—	—
AIME-25	88.9%	—	—	—
MMMU	—	70.3%	—	—