OpenAI

⏰ 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 The Gemini 2.0 Flash and Gemini 2.0 Flash Lite free tier access ends tomorrow, June 1 — grab them while they last. The Xiaomi MiMo-V2-Omni and MiMo-V2-Pro expired today (May 31). Several other models remain available through June 5. 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 💰 OpenAI Launches $100/Month ChatGPT Pro Tier OpenAI has introduced a new ChatGPT Pro subscription at $100 per month, offering 5X the Codex usage limits compared to the $20/month Plus plan (TechCrunch, CNBC, VentureBeat). The tier is aimed squarely at developers who regularly hit usage caps on Claude Code, GitHub Copilot, and OpenAI’s own Codex. ...

⏰ 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. ...