Security Probes That Read Model Hidden States Catch Agent Sabotage at 98.8% AUC, Beating an Opus 5.5 Text Monitor Claude Anthropic Starts Including Monthly API Credits With Claude Max and Team Plans, Worth Up to $500 a Month Opinion Sakana AI Planted 1,164 Errors in Real Research Papers. Its Claude-Based Reviewer Caught 73% of the Core Ones Coding Assistants Cockroach Labs Ran Coding Agents Like a Teaching Hospital for Five Months: 1,238 Merged PRs, 7 Reverts, $135,000 in Tokens Security Agent Skills Have a Shadow Supply Chain: 2.19 Million GitHub Copies and Security Fixes That Almost Never Propagate Coding Assistants Microsoft Ships an AX Practitioner Playbook: Nine Failure Patterns and 46 Shipped Fixes for How Coding Agents Use Your SDK News DatologyAI Opens Its Data Curation Engine to Everyone, Betting a 12B Model Beats a 30B Baseline on One-Fifth the Compute AI Agents Memento 3 Clears Every Public ARC-AGI-3 Game Using Only 44% of the Human Action Count, With a Frozen LLM Security Probes That Read Model Hidden States Catch Agent Sabotage at 98.8% AUC, Beating an Opus 5.5 Text Monitor Claude Anthropic Starts Including Monthly API Credits With Claude Max and Team Plans, Worth Up to $500 a Month Opinion Sakana AI Planted 1,164 Errors in Real Research Papers. Its Claude-Based Reviewer Caught 73% of the Core Ones Coding Assistants Cockroach Labs Ran Coding Agents Like a Teaching Hospital for Five Months: 1,238 Merged PRs, 7 Reverts, $135,000 in Tokens Security Agent Skills Have a Shadow Supply Chain: 2.19 Million GitHub Copies and Security Fixes That Almost Never Propagate Coding Assistants Microsoft Ships an AX Practitioner Playbook: Nine Failure Patterns and 46 Shipped Fixes for How Coding Agents Use Your SDK News DatologyAI Opens Its Data Curation Engine to Everyone, Betting a 12B Model Beats a 30B Baseline on One-Fifth the Compute AI Agents Memento 3 Clears Every Public ARC-AGI-3 Game Using Only 44% of the Human Action Count, With a Frozen LLM

Anthropic Starts Including Monthly API Credits With Claude Max and Team Plans, Worth Up to $500 a Month

Anthropic Starts Including Monthly API Credits With Claude Max and Team Plans, Worth Up to $500 a Month

Anthropic has begun rolling out monthly Claude API credits bundled with Max and Team subscriptions: $100 a month on Max 5x, $200 on Max 20x, and up to $500 pooled across Team seats. The credits work on the Messages API, Batches, Playground, Managed Agents and the Agent SDK, but not on interactive Claude Code.

Anthropic has quietly connected two products that until now were billed as separate contracts: the Claude subscription you chat with, and the metered API you build on. Starting this week, eligible Max and Team subscribers receive a monthly credit for the Claude Platform. Max 5x subscribers get $100 a month, Max 20x subscribers get $200, and Team plans accrue $20 per Standard seat and $100 per Premium seat into a single shared pool capped at $500 per month.

Claiming the credit is a one-time link rather than a new purchase. In claude.ai Settings under Billing, a subscriber connects one Claude Console organization to the plan; Anthropic says no payment method is required to claim or spend the credits, and that the linked organization cannot be changed later, so the choice of where to build matters. New subscribers wait seven days before claiming. Credits refresh each billing cycle, do not roll over, and are spent before any credits the organization has bought. Anthropic notes the rollout is staggered over several days.

The credits cover the Messages API and Message Batches, the Playground in the Claude Console, Claude Managed Agents and the Claude Agent SDK, plus any third-party tool that accepts a Claude API key. The exclusions are just as specific: interactive Claude Code stays on subscription usage, extra usage inside the Claude apps is not covered, and Claude running on Amazon Bedrock, Google Cloud Vertex AI or Microsoft Foundry draws nothing from the pool.

What the money buys depends on the model. At Haiku 5.5 list pricing of $0.10 per million input and $0.50 per million output tokens for prompts up to 100,000 tokens, $100 covers roughly 200 million output tokens. At Opus 5.5, with output at $20 per million tokens, the same credit buys about five million. On Team plans, Anthropic worked through the example: three Standard seats and two Premium seats receive $260 a month, and adding one more Premium seat lifts the pool to $360 the following month.

The strategic read is that subscriptions are becoming an on-ramp to the platform rather than a terminal product. Anthropic says the credits are designed to let subscribers experiment with building tools, apps and agents that call the API, which places this alongside Managed Agents and the Agent SDK as parts of a developer funnel. It also lands amid a running argument about what a subscription is worth: a widely cited SemiAnalysis analysis this month put the API-equivalent value of the $200 Claude plan at roughly five times the competing OpenAI tier, a figure about usage limits rather than credits, but one that frames the market Anthropic is now pricing into.

The fine print keeps expectations grounded. When the monthly pool and any other credits run out, API requests stop until the next cycle, and usage is never charged to the plan itself; teams that need continuity buy credits or enable auto-reload in the Console. Workspace-level spend limits are available for organizations sharing one balance, which matters when everyone with an API key in the linked organization draws from the same pool.

For most Max and Team subscribers the practical effect is a fixed monthly budget they did not know they had. Whether it turns into anything depends on someone building something that spends it, because credits nobody uses simply expire at the end of the cycle.

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