Anthropic reduced Claude Opus 4.5 pricing by 67%, lowering input token cost to $5 per million and output to $25 per million, moving the model toward enterprise production use. The launch follows recent releases from Google and OpenAI, with competitors pricing lower but Anthropic retaining a premium position. Anthropic reported Opus 4.5 scored 80.9% on the Software Engineering Benchmark Verified and outperformed other models and human candidates on an internal two-hour engineering assessment. Analysts warned benchmark scores may not predict production behavior, emphasizing integration, legacy systems, workflows, and regulatory requirements in enterprise deployments.
"Anthropic has launched Claude Opus 4.5 with a 67% price cut that repositions its flagship model from a boutique offering to a production-ready enterprise tool. The new pricing of $5 per million input tokens and $25 per million output tokens - down from $15 and $75 - brings Anthropic closer to OpenAI and Google while maintaining a premium position. The launch comes a week after Google released Gemini 3 and less than two weeks after OpenAI launched GPT-5.1,"
""Opus 4.5 is a meaningful step forward in what AI systems can do," the company said in an announcement on its website. The benchmark debate Anthropic claimed Opus 4.5 achieved 80.9% on Software Engineering Benchmark Verified, outperforming OpenAI's GPT-5.1-Codex-Max at 77.9%, Google's Gemini 3 Pro at 76.2%, and its own Sonnet 4.5 at 77.2%. The company also said the model scored higher on its internal two-hour performance engineering assessment than any human candidate who has taken the exam."
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