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.
OpenAI Cuts GPT-5.6 Luna to $0.20 Per Million Input Tokens
OpenAI has cut GPT-5.6 Luna API input pricing to $0.20 per million tokens, cut Terra by 20%, and added Sol Fast Mode for latency-sensitive work.
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.
Grok 4.5 gets a Thursday public launch, but the benchmark story is still missing
Elon Musk says xAI will make Grok 4.5 public Thursday after SpaceX and Tesla beta feedback. The model is framed as Opus-class and lower cost, but xAI has not yet published pricing, benchmarks, API details, or a model card.
GPT-5.6 Sol gets a Thursday launch date after OpenAI’s restricted preview
Sam Altman says GPT-5.6 Sol launches Thursday. OpenAI’s preview docs show a three-tier Sol, Terra, and Luna lineup, new max and ultra reasoning modes, TerminalBench 2.1 gains, and pricing from $1/$6 for Luna to $5/$30 for Sol per million tokens.
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-5.5 Instant is getting better at the messy questions people actually ask
OpenAI says a new GPT-5.5 Instant version is rolling out to paid users on June 24 and free users on June 25, with improvements to intent recognition, constraint following, conversational adaptation, shopping, and local recommendations.
Google’s rumored “Omni” model is a leak, not a launch
A leaked Gemini UI string points to a possible Google “Omni” video-generation model or feature, but Google has not officially announced it. Here is what is sourced, what is speculation, and what to watch at I/O 2026.