Claude Opus 4.8

Claude Opus 4.8 is Anthropic's upgrade to Opus 4.7 and its most capable general-access model at release, with improvements across software engineering, agentic tool use, reasoning, computer use, and knowledge-work benchmarks while shipping at the same price ($5/$25 per million input/output tokens). Performance gains include SWE-Bench Verified (88.6%), SWE-Bench Pro (69.2%), Terminal-Bench 2.1 (74.6%), GPQA Diamond (93.6%), USAMO 2026 (96.7%), Humanity's Last Exam with tools (57.9%), OSWorld-Verified (83.4%), BrowseComp (84.3% single-agent, 88.5% multi-agent), MCP-Atlas (82.2%), and GDPval-AA (1890 Elo).

GPQA max

93.6%

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DeepSearchQA

93.1%

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CharXiv-R

89.9%

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SWE-Bench Verified

88.6%

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ScreenSpot Pro

87.9%

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Include

87.6%

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SWE-bench Multilingual

84.4%

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BrowseComp

84.3%

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OSWorld-Verified

83.4%

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Graphwalks parents >128k

83.3%

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MCP Atlas

82.2%

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CyberGym

78.8%

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Terminal-Bench 2.0

74.6%

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SWE-Bench Pro

69.2%

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Graphwalks BFS >128k

68.1%

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OfficeQA Pro

66.2%

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Toolathlon

59.9%

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Humanity's Last Exam

57.9%

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HealthBench Professional

55.8%

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Finance Agent

53.9%

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SWE-Bench Multimodal

38.4%

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GDPval-AA

1,890

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Pricing, uptime, and speed via OpenRouter — updated Jul 17, 2026, 04:19 AM.

Provider	Status	Input	Output	Limits	Uptime	Speed	Notes
Anthropic	available	$5.00/Mtok cache $0.50/Mtok	$25.00/Mtok	1.0M tokens context 128K tokens max output	100.0% 5m 100.0%	2,055 ms p50 TTFT 50 tok/s p50	$0.01/web search
Azure	available	$5.00/Mtok cache $0.50/Mtok	$25.00/Mtok	1.0M tokens context 128K tokens max output	99.6% 5m 100.0%	3,742 ms p50 TTFT 74 tok/s p50	$0.01/web search
Amazon Bedrock	available	$5.50/Mtok cache $0.55/Mtok	$27.50/Mtok	1.0M tokens context 128K tokens max output	—	—	$0.01/web search
Google	available	$5.50/Mtok cache $0.55/Mtok	$27.50/Mtok	1.0M tokens context 128K tokens max output	—	—	$0.01/web search