Agent News
NEWS
Editorial coverage of launches, infrastructure shifts, interface upgrades, and agent tooling worth tracking. Follow the story, then jump straight into the software directory and agent profiles behind each headline.
Claude Haiku 5.5 brings cheaper tokens and adjustable effort to subagents
Anthropic’s small model adds a million-token context and adjustable effort. The cheapest rates stop at 100,000 prompt tokens, and its strongest benchmark scores do not represent the default setting.
Anthropic expands Claude cyber access with three permission tiers
Defense, Red Team and Specialized Access widen eligibility for advanced Claude models, but stronger credentials, misuse monitoring and safety-system restrictions still determine what teams can do.
Claude Sonnet 5.5 keeps its predecessor’s API price, but promises cheaper finished work
Anthropic’s new Sonnet ships at $2 per million input tokens and $10 per million output tokens. The claimed savings come from using fewer tokens per task, not a lower token tariff.
Claude Opus 5.5 lowers API prices, but its benchmark story needs more than a 40% headline
Anthropic’s new flagship model starts at $4 per million input tokens and $20 per million output tokens. Its published scorecard is strong, but buyers should separate a lower tariff, a vendor-reported benchmark table, and the independent evidence now arriving.
Hermes Agent adds an experimental Claude subscription bridge through the official CLI
The new DirectSDK plugin keeps Hermes’ tools, approvals and history while handing model calls to the unmodified Claude Code executable. It is useful, carefully bounded, and not a magic exemption from Anthropic’s account rules.
Claude Fable 5.1: cheaper cache, quieter fallbacks, same two-tier split
Anthropic’s September 1 models keep Fable 5’s $10/$50 list price. Cache reads drop to $0.25 per million tokens, the June retention fight gets a stopgap, and Mythos 5.1 stays gated.
Anthropic Reports Three Claude Cyber-Eval Incidents
Anthropic says unintended internet access in a third-party evaluation environment let Claude models treat real systems as part of capture-the-flag exercises. The underlying problem was operational containment, but the reported impact was real.
Claude Opus 5 launches at Opus 4.8 pricing, but changes how developers control the model
Anthropic’s new $5/$25-per-million-token Opus model keeps Opus 4.8 pricing, but default thinking, effort controls, caching changes, and Fast mode make it more than a model-ID swap.
Fable 5 returns as Sonnet 5 gives Anthropic a cheaper agentic default
Anthropic is bringing Fable 5 back after an export-control pause while Sonnet 5 becomes Claude’s cheaper agentic default. The benchmark case is strong, but the split between access, safeguards, and pricing is the real story.
GPT-5.6 shows the new frontier-model problem: release speed is becoming policy
Reports say OpenAI may stage GPT-5.6 access after U.S. government security concerns. The bigger issue is whether frontier-model safety review becomes a release bottleneck for U.S. labs while open competitors keep shipping.
Claude Opus 4.8 Is Anthropic’s New Agent Benchmark, With One Clear Caveat
Anthropic’s Claude Opus 4.8 release is less about a new chat personality and more about long-running agent work: stronger SWE-bench Pro results, better tool use, 1M-token context, mid-conversation system messages, cheaper fast mode, and Claude Code dynamic workflows.