Anthropic released Claude Opus 5.5, its new flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. Anthropic said Claude Opus 5.5 completes comparable…
Anthropic cut API pricing for Claude Opus 5.5 across input, output, and cache tokens compared with Opus 5, and added a rate-limit reset option plus increased five-hour usage limits, according to early…
Anthropic removed over 80% of Claude Code's system prompt for models like Claude Opus 5 and Claude Fable 5 with no measurable loss on its coding evaluations, according to a July 24, 2026 post by Thari…
Anthropic released Claude Opus 5.5, the first model shipped under its "pacing the frontier" policy laid out in an essay by CEO Dario Amodei, with the model leading Terminal Bench 4.0 at 66.4% versus p…
Anthropic PBC released Claude Opus 5.5 and cut its price 20%, to $4 per million input tokens and $20 per million output, while OpenAI Group PBC released two cheaper GPT-6 models, Sol and Luna, minutes…
OpenAI launched GPT-6 Sol and GPT-6 Luna, two faster, cheaper models in the GPT-6 family, with API prices cut 50% versus GPT-5.6 promotional pricing — Sol at $2 per million input tokens and $10 output…
Anthropic released Claude Opus 5.5, which the company says is cheaper and better than Fable, and which Anthropic claims communicates more naturally than prior models, putting the most important inform…
OpenAI launched GPT-6 Sol and GPT-6 Luna, two faster, cheaper models in its GPT-6 family, with API prices 50% below the promotional pricing of their GPT-5.6 predecessors. GPT-6 Sol costs $2 per millio…
Anthropic released Claude Opus 5.5 on Tuesday, less than two weeks after CEO Dario Amodei published an essay urging the AI industry to "pace the frontier." Anthropic said Opus 5.5, the first of a new …
Anthropic shipped Claude Opus 5.5, which is 40% cheaper than Opus 5, faster, and built on what Anthropic calls a fundamentally different alignment approach, according to a first-person review by ChatP…
OpenAI released GPT-6 Sol and GPT-6 Luna, two models positioned below its flagship GPT-6 Astra, with API pricing 50% lower than GPT-5.6 promotional rates — Sol at $2 per 1M input tokens and $10 per 1M…
Anthropic released Claude Opus 5.5, cutting typical workload costs 40% versus Opus 5 with input tokens at $4 per million (down from $5), output at $20 (down from $25), and cache reads at $0.20 (down f…
OpenAI released GPT-6 Sol and GPT-6 Luna on Tuesday, priced roughly 50% cheaper per million tokens than the previous Sol and Luna generations. GPT-6 Sol costs $2 per million input tokens and $10 per m…
Anthropic's Claude Opus 5.5, the first model in the Claude 5.5 family, is now available on Amazon Bedrock and Claude Platform on AWS, AWS announced. Anthropic says Claude Opus 5.5 does more with fewer…
Grok 4.7 scored 46 on the Artificial Analysis Intelligence Index, a +2-point gain over Grok 4.6 that brings SpaceXAI into the top 4 AI labs, according to Artificial Analysis's September 21, 2026 evalu…
Anthropic released Claude Opus 5.5 on September 22 at $4 per million input tokens and $20 per million output tokens, a 20% discount to Opus 5, which launched on July 24. The AI safety company says Opu…
Anthropic's Claude Opus 5.5 has taken the top spot on the Artificial Analysis Intelligence Index with a score of 58 at its maximum effort setting with fallback enabled, five points ahead of GPT-6 Astr…
Anthropic released Claude Opus 5.5 on Tuesday, calling it its most powerful AI model to date and pricing it at $4 per million input tokens and $20 per million output tokens, 20% below Claude Opus 5. A…
Anthropic launched Claude Opus 5.5, the first model in a new generation, which the company says matches Claude Fable 5.1 on most tasks while costing about 40 percent less to run than Opus 5. Anthropic…
Anthropic launched Claude Opus 5.5 on Tuesday, its first model release since CEO Dario Amodei announced plans to "pace the frontier" and slow AI development, with stricter safeguards following rogue A…