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Claude 4.5 Haiku×

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	Claude 4.5 Haiku Anthropic	o3 OpenAI	Claude 4.8 Opus Anthropic	Llama 4 Maverick Meta
Vendor	Anthropic	OpenAI	Anthropic	Meta
Family	Claude	o-series	Claude	Llama
Release date	2025-10-01	2025-04-16	2026-05-28	2025-04-05
Context window	200,000 tokens	200,000 tokens	1,000,000 tokens	1,000,000 tokens
Parameters	—	—	—	400B
Modality	text, vision	text, vision	text, vision	text, vision
License	proprietary	proprietary	proprietary	Llama 4 Community License
Source	proprietary	proprietary	proprietary	open weights
Description	Fast, cost-effective Claude model.	Reasoning-focused model in the o-series.	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.	Mixture-of-experts open-weight model from Meta.
Links			vendor →	weights →
Benchmarks
MMLU-Pro	—	—	—	80.5%
GPQA-D	—	87.7%	—	—
AIME-25	—	88.9%	—	—
MMMU	—	—	—	68.5%