AI·
Claude Opus 5 nears Fable 5's frontier intelligence at half the price
Anthropic shipped Claude Opus 5 at the same $5/$25 per million tokens as Opus 4.8. It nears Fable 5's intelligence at half the cost, with new effort and fallback controls.
Product
Claude Opus
RSSAnthropic's top-tier Claude model. Successive Opus releases (4.5, 4.6, 4.7) trade places with GPT and Gemini on coding and reasoning benchmarks.
21 articles
First covered Apr 17, 2026, latest Jul 24, 2026
AI·
Claude Sonnet 5: cheaper agents on paper, until you count the new tokenizer's tokens
Anthropic's Sonnet 5 lands as the default free model with near-Opus quality at a lower price, but a new tokenizer quietly inflates the English bill by 1.4x.
Policy·
The US lifted its export ban on Anthropic's Fable 5. The model returns Wednesday.
The Commerce Department cleared Claude Fable 5 and Mythos 5, ending an 18-day export-control freeze. Anthropic redeploys Fable 5 globally on Wednesday with tighter safeguards.
AI·
Claude Opus 4.8 flags the bugs it writes four times more often than Opus 4.7
Anthropic's Opus 4.8 posts 69.2% on SWE-Bench Pro, lets code flaws slip 4x less often, and ships parallel subagents in Claude Code. Here's what matters.
AI·
DeepSeek locked in the 75% V4-Pro cut. The API now undercuts every Western frontier model.
On May 23 DeepSeek told customers the V4-Pro discount becomes its standard price after May 31. Output drops from $3.48 to $0.87 per million tokens.
AI·
Chinese proxy networks sell Claude API access at 90% off. They harvest every prompt that passes through.
A ChinaTalk investigation reveals how 'transfer stations' resell Anthropic API access using stolen credentials, model substitution, and prompt harvesting.
AI·
Microsoft tested 19 LLMs as document editors. Even the best ones corrupted 25% of the content.
The DELEGATE-52 benchmark tests AI editing across 52 professional domains. Frontier models corrupt a quarter of document content over long workflows.
AI·
Anthropic doubled Claude Code's limits by renting 220,000 GPUs from xAI
Anthropic doubled Claude Code's 5-hour limits, killed peak-hours throttling, and raised Opus API tiers. The capacity comes from xAI's Colossus 1, via a SpaceX deal.
AI·
GitHub Copilot's Claude Opus multiplier jumps to 27x on June 1. Monthly plans dodge the hike.
GitHub's new model multiplier table for Copilot Pro and Pro+ annual plans lands June 1. Opus 4.6 goes 3 to 27. Sonnet 4.6 goes 1 to 9.
AI·
Anthropic just dropped its Claude Code workshop tapes. The playbook is better than the marketing.
Boris Cherny on Claude Code, Applied AI on prompting, Erik Schluntz on vibe coding in prod. Three Code with Claude tapes hit YouTube ahead of the 2026 conference.
AI·
GitHub Copilot kills premium requests on June 1. Token billing arrives, fallback models do not.
On June 1 every Copilot plan switches to GitHub AI Credits priced per token. Code completions stay free. Fallback models and credit rollover do not.
Open Source·
Arcee's Trinity-Large-Thinking is a 399B open MoE that costs 96% less than Opus
Arcee released Trinity-Large-Thinking on April 1: a 399B-param sparse MoE with 13B active, Apache 2.0 weights, $0.88 per million output tokens, and PinchBench just behind Opus 4.6.
AI·
OpenAI just retired SWE-bench Verified. The headline coding benchmark of 2025 is officially saturated.
OpenAI says SWE-bench Verified is saturated and contaminated, and 60% of remaining problems are unsolvable. Here's what comes next, and why every coding leaderboard is suspect.
AI·
DeepSeek V4 lands: 1.6T-param open MoE, 1M-token context, and SWE-bench within 0.2 of Opus 4.6
DeepSeek shipped V4-Pro and V4-Flash under MIT on April 24. V4-Pro hits 80.6% on SWE-bench Verified. V4-Flash is $0.14 in / $0.28 out.
AI·
Anthropic admits three Claude Code bugs quietly tanked quality for six weeks
Anthropic's April 23 postmortem names three bugs that degraded Claude Code between March 4 and April 20. Usage limits are being reset for every subscriber.
AI·
OpenAI shipped GPT-5.5 seven weeks after 5.4. API tokens now cost twice as much.
OpenAI released GPT-5.5 (codename Spud) on April 23. The API runs at $5/$30 per million tokens, double GPT-5.4, with Pro at $30/$180.
AI·
GitHub Copilot paused new signups and kicked Opus out of Pro. Here's what actually changed.
GitHub froze Copilot Pro/Pro+/Student signups on April 20 and moved Claude Opus 4.7 behind the $39 Pro+ tier. Agent workflows broke the old math.
AI·
NSA is running Anthropic's Mythos. The Pentagon says Anthropic is a supply-chain risk.
Axios reports the NSA is using Anthropic's unreleased Mythos model even though the Defense Department has blacklisted Anthropic. One government, two positions.
AI·
Anthropic shipped Claude Design. Figma stock dropped 7% the same day.
Anthropic launched Claude Design on April 17, a prompt-to-prototype tool that exports to Canva, not Figma. Figma's stock closed down 7% on the same day.
AI·
Qwen 3.6-35B-A3B: the open MoE beating Opus 4.7 on Simon Willison's laptop
Alibaba's Qwen 3.6-35B-A3B is a 35B-param mixture-of-experts with only 3B active. Apache 2.0, runs on consumer GPUs, and it's already winning real tasks.
AI·
Claude Opus 4.7 is here, and the long-context benchmarks got worse
Anthropic's Opus 4.7 is state-of-the-art on SWE-bench and CursorBench, but independent tests show regressions on long-context retrieval and thematic reasoning.