Anthropic

⏰ Limited-Time Free Models Several limited-time free model offers are available on OpenRouter, with two expiring very soon: NVIDIA: Nemotron Nano 9B V2 — Expires June 11 (1 day left). 131K context. $0.04/M tokens prompt, $0.16/M tokens completion. DeepSeek: R1 Distill Llama 70B — Expires June 11 (1 day left). 131K context. $0.70/M tokens prompt, $0.80/M tokens completion. Z.ai: GLM 4.5 — Expires June 19 (9 days left). 131K context. $0.60/M tokens prompt, $2.20/M tokens completion. Meta: Llama 3 70B Instruct — Expires June 19 (9 days left). 8K context. $0.51/M tokens prompt, $0.74/M tokens completion. Anthropic: Claude Opus 4.6 (Fast) — Expires June 29 (18 days left). 1M context. $30/M tokens prompt, $150/M tokens completion. 🚀 Anthropic Releases Claude Fable 5 — First Public Mythos-Class Model Anthropic today released Claude Fable 5, the company’s first Mythos-level model accessible to the general public. Described by Fortune as “a version of Mythos the public can access today,” Fable 5 marks a significant departure from Anthropic’s previous policy of keeping its most advanced models behind enterprise paywalls. The model is available immediately on OpenRouter ($10/M tokens input, $40/M tokens output) and directly from Anthropic. ...

⏰ Limited-Time Free Models Several models on OpenRouter’s free tier are approaching expiration. The Gemini 2.0 Flash line ends its free run on June 1 (tomorrow!), while Qwen3 30B A3B, Llama 3 Euryale 70B v2.1, and Hermes 2 Pro Llama-3 8B all expire on June 5. The Claude Opus 4.6 Fast variant (1M context) is available until June 29. Model Expires Pricing (Prompt / Completion) Google Gemini 2.0 Flash Lite (1M ctx) Jun 1 $0.075 / $0.30 per M tokens Google Gemini 2.0 Flash (1M ctx) Jun 1 $0.10 / $0.40 per M tokens Qwen3 30B A3B (131K ctx) Jun 5 $0.09 / $0.45 per M tokens Llama 3 Euryale 70B v2.1 (8K ctx) Jun 5 $1.48 / $1.48 per M tokens Hermes 2 Pro Llama-3 8B (8K ctx) Jun 5 $0.14 / $0.14 per M tokens Claude Opus 4.6 Fast (1M ctx) Jun 29 $30 / $150 per M tokens 🦁 Meta Launches Muse Spark, Abandons Open-Source Llama Meta has unveiled Muse Spark, its first proprietary AI model since forming the Superintelligence Labs unit — marking a definitive break from the open-source Llama strategy that defined its AI identity for years (VentureBeat, Fortune, CNBC, Barron’s). The model arrives after Meta reportedly delayed its Llama successor, choosing instead to go closed-source amid an internal reorganization. ...

⏰ Limited-Time Free Models Several free-tier models are expiring soon on OpenRouter. Xiaomi’s MiMo-V2-Omni and MiMo-V2-Pro are the most urgent — expiring May 31 (just 2 days away). The Gemini 2.0 Flash line follows on June 1. Model Expires Pricing (Prompt / Completion) Xiaomi MiMo-V2-Omni (262K ctx) May 31 $0.40 / $2.00 per M tokens Xiaomi MiMo-V2-Pro (1M ctx) May 31 $1.00 / $3.00 per M tokens Google Gemini 2.0 Flash Lite (1M ctx) Jun 1 $0.075 / $0.30 per M tokens Google Gemini 2.0 Flash (1M ctx) Jun 1 $0.10 / $0.40 per M tokens Qwen3 30B A3B (131K ctx) Jun 5 $0.09 / $0.45 per M tokens Llama 3 Euryale 70B v2.1 (8K ctx) Jun 5 $1.48 / $1.48 per M tokens Hermes 2 Pro Llama-3 8B (8K ctx) Jun 5 $0.14 / $0.14 per M tokens Claude Opus 4.6 Fast (1M ctx) Jun 29 $30 / $150 per M tokens 💸 DeepSeek Makes V4-Pro 75% Price Cut Permanent DeepSeek has permanently reduced the price of its flagship V4-Pro model by 75%, escalating the AI pricing war to a new level (Engadget, InfoWorld, VentureBeat). The permanent cut follows a temporary promotional period and solidifies DeepSeek’s strategy of aggressive pricing to capture enterprise market share. The move puts pressure on Western labs to respond with competitive pricing of their own, particularly in cost-sensitive enterprise deployments where total inference cost per token is becoming the deciding factor. ...

⏰ Limited-Time Free Models Several AI models are approaching the end of their free trial periods on OpenRouter: Mistral: Mistral 7B Instruct v0.1 — 8 days left. 4K context. $0.11/M tokens prompt, $0.19/M tokens completion. Google: Gemini 2.0 Flash Lite — 10 days left. 1M context. $0.075/M tokens prompt, $0.30/M tokens completion. Google: Gemini 2.0 Flash — 10 days left. 1M context. $0.10/M tokens prompt, $0.40/M tokens completion. 🔒 Anthropic Mythos: NSA Access Confirmed as Global Alarm Grows The Anthropic Mythos story continues to escalate dramatically. Multiple reports now confirm that the NSA is reportedly using Anthropic’s Mythos, despite an ongoing feud between the Pentagon and Anthropic over access control. The New York Times reports the model’s capabilities have “set off global alarms,” with Powell and Treasury Secretary Bessent personally briefing major U.S. banks on the cyber threats Mythos has exposed. ...