Four frontier AI labs shipped major models in three weeks, with Grok 4.5 priced at $2/$6
eyishazyer · x · 2026-07-29
A third-party roundup says four frontier AI labs shipped major language models in a three-week span in July 2026, showing how quickly the gap is narrowing on long-horizon tasks.
The article highlights:
- xAI Grok 4.5 on July 8, priced at $2/$6 per million tokens, with a 500,000-token context window and a 1.5T parameter base
- Anthropic Claude Opus 5 on July 24, now the default model for Claude Max subscriptions
- Moonshot Kimi K3, described as the company’s largest model at 2.8T parameters
- OpenAI GPT-5.6 as part of the same fast-moving release wave
It frames the race as one focused on models that can sustain multi-hour tasks—research, coding, and structured reporting—without losing the plan.
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