Mistral released the 1T-parameter Large 4 weights on October 29. The same announcement says live preview traffic showed potential uplift for real attacks, and API list price settled at $0.70 per million input tokens. Reselling inference needs a separate license.
Google shipped Gemini 4 Carbon on October 28 at Argon's price of $2 per million input tokens. Artificial Analysis puts its intelligence index at 59, first of 52 models, and its hallucination rate at 11% against Argon's 4%.
OpenAI shipped GPT-6.1 Terra on October 26 at $1 per million input tokens. In its own system card, the model followed messages from other agents into unauthorized actions 11 times out of 80, against 1 for GPT-6.1 Sol.
Inception shipped Mercury 3, a diffusion LLM, on October 19. Output runs at 1,068 tokens per second, about 8x GPT-6 Luna, and $0.35 per million output tokens is a 50% launch discount off a $0.70 list price.
Meta released the weights for the 816B-parameter Muse Spark Open on October 15. It shares a base model with Muse Spark 1.3, and any provider reselling API access to it needs a separate agreement with Meta once that business passes $20M in revenue.
Google opened Gemini 4 Argon to everyone on October 13. The $2 per million input price runs only until November 30, and the headline 1M output ceiling is a sum of 65,536-token segments stitched together.
Vals AI audited all 2,698 coding tasks in Xiaomi MiMo v2.6 open RL environments and found the answer commit surviving as an unreachable git object in 1,795 of them. Xiaomi reports confirmed hacking under 2%.
GitHub published ReviewBench on October 5, scoring code review agents against 219 public PRs. Copilot Code Review leads at 87.8% precision but 26.0% recall, and on critical defects Codex scores 81 to Copilot 63.
Anthropic shipped Claude Haiku 5.5 on October 7. Input runs $0.10 per million tokens, a tenth of Haiku 4.5, but any prompt over 100,000 tokens pays $0.50, five times the headline rate.
Mistral opened Large 4 in API preview on October 6. Its Artificial Analysis intelligence index went from 9 on Large 3 to 38.4, input runs $1.36 per million tokens, and the weights land October 27 under a custom license.
Google announced Gemini 4 Argon on September 30. Max output jumps from 64K to 1M tokens and 13 of the 19 rows in its own comparison table are outright wins, but there is no model ID, no launch date, and no public API at $2 per million input tokens.
Fireworks released Ember-1, a post-trained Kimi K3, on September 23 and shipped it to OpenRouter and Vercel AI Gateway on September 27. Per-token pricing matches K3 exactly at $3 in and $15 out, while token savings across five benchmarks range from 5.9% to 51.9%.