Codersera Blog

MiniMax M3.1 Flash went GA on 19 Oct 2026 at a flat $0.15/$0.60 per 1M tokens, half of M3's price. A 428B/23B MoE with 1M context and always-on reasoning, it scores 43 on Artificial Analysis vs M3's 29. Covers license terms, vLLM/SGLang serving and M Plan tiers.

Meta's 816B/42B-active open-weight MoE (Oct 15, 2026): what the Muse Model License allows, hardware from two Mac Studios to 2TB GPU clusters, how to run it with llama.cpp or vLLM, OpenRouter pricing (Oct 2026) and model-card benchmarks.

A Stacklok survey of 520 leaders found 8% use one model provider, and MCP integrations (53%) and multi-step workflows (52%) are hardest to migrate. Here's how to vet agent developers on portability, MCP security, evals, sandboxing and cost, with a scorecard and paid work trial.

Kimi K3.1 Pro launched Oct 23, 2026 at $2 input and $10 output per 1M tokens, with a 1M-token context and thinking that cannot be turned off. It scores 55 on Artificial Analysis at $2.11 per task vs $5.98 for Claude Opus 5.5. Weights are promised by Nov 4 but not yet released.

OpenAI shuts down GPT-4o, GPT-4o mini, GPT-4.1 and GPT-4.1 mini snapshots on Jan 14, 2027, fine-tunes included; new fine-tuning jobs stop Jan 6. The replacement, gpt-6-luna ($0.10/$0.50 per 1M), reasons by default and can't be fine-tuned.

Andela's analysis of nearly 50,000 postings defines the LLM application engineer: LLM APIs plus harnesses, evals and guardrails. Includes a skills matrix, a JD template, a take-home eval task, a live debugging test, cost-routing math (Haiku 5.5, Luna, Sol), and red flags.

Cursor now sells through The X Subscription: Plus $8 (Grok/Composer only), Premium $30 (4x), Super $100 (15x), Ultra $200 (50x). Claude and GPT are Premium and up only, at API list price with no allowance. Pools refresh weekly, Teams seats run $30-$200, legacy plans continue.

Gemini 4 Argon (gemini-4-argon) went GA Oct 13, 2026. $2/$10 per 1M tokens through Nov 30, $4/$20 from Dec 1. 1M unified window, 65,536 default output, paid tier only, implicit caching. Leads DeepSWE v1.1 (77.9%), trails Opus 5.5 on Terminal-Bench 4.0.

Claude Haiku 5.5 (claude-haiku-5-5, Oct 7, 2026): $0.10/$0.50 per MTok up to 100K prompt tokens, $0.50/$2.50 above, with cache counted. 1M context, 128K output, effort parameter, 400-error breaking changes, AA index 43 vs GPT-6 Luna's 38.

claude-sonnet-4-5-20250929 retires Nov 30, 2026. Sonnet 5.5 costs $2/$10/$0.10 cache read vs $3/$15/$0.30, but turns the same text into ~30% more tokens and rejects sampling parameters, thinking budgets, prefill and forced tool choice. Cost math and a 5-week migration plan.

Anthropic's first new API version since 2023-06-01 shipped Oct 21, 2026 with Python SDK 2.0.0, TypeScript 1.0.0 and other majors. temperature/top_p/top_k now return 400, keys go out as Authorization: Bearer, and MessageParam is a union. Here is how to fix each error.

Claude Code Review went GA Oct 15 for Team/Enterprise (Quick/Standard/Deep, GitHub-only, token billing). Copilot reviews cost about $0.05-$5 in AI credits plus Actions minutes; Codex reviews GitHub PRs and GitLab MRs (beta); Cursor adds Security Review. None merges for you.

Why banks and enterprises outsource legacy and mainframe modernization, and how DXC, IBM, Deloitte, TCS, Accenture, Capgemini and Infosys compare in 2026.

The anonymous Stealth model on OpenRouter had a 1M context, a 524,288-token output cap found on no other model, and no lab behind it. Here is the evidence for MiniMax M3.1-Flash-Preview, the counter-case, and how to fingerprint a stealth model yourself.

A practical guide to sandboxing and scoping AI coding agents. Verified threat model, what Claude Code, Codex, Cursor and Grok Build give you natively, container and worktree containment patterns, MCP risk, a ten-minute checklist, and an honest account of what sandboxing does not fix.

Meta published the Muse Gadget SDK on 2 October 2026: open-source firmware that turns a $12 ESP32 board or a spare Raspberry Pi into a device your Muse agent can drive. The 24 supported boards, real costs, and the clause that caps it at 50 free units.

Alibaba added three Qwen3.8 SKUs in September with no launch post. Max-Prime is a higher-throughput serving tier at double the price, not new weights. Omni-Flash accepts audio and video but returns text only, at Flash pricing. Full lineup, pricing and licence tables.

Z.ai added GLM-5.3 Prime and GLM-5.3 FlashX in September 2026. Neither is a new model — both are accelerated serving tiers of weights that already shipped. Here is the full GLM-5.3-era lineup, with verified prices, licences and a decision rule.

Verified Grok 4.7 API pricing: $2 input and $6 output per 1M tokens, doubling at 200K prompt tokens, plus server-side tool fees and worked monthly cost examples.

GPT-6 Luna costs $0.10/1M input, $0.01 cached and $0.50 output with a 1.05M-token context. It is the only model behind the Decisions API (GA Oct 22, 400 questions/request), is rolling out to ChatGPT Free and Go, and replaces GPT-4o/4.1 snapshots retiring Jan 14, 2027.

ChatGPT Pro 500 costs $500/month for 25x Plus usage and Ultrafast. The $200 Pro plan drops to 10x Plus and 100 GPT-6 Pro messages a week on Oct 30, 2026. Full plan comparison and whether to upgrade, stay or downgrade.

Everything Meta announced for Muse at Connect 2026: the Muse Charm keychain, the Muse Realtime Avatar model (448x768 at 25fps, ~870ms), Realtime Voice, Mac computer use, glasses, connectors, Muse for Small Business and the Meta Enterprise Platform.

Run Qwen-Image-2.1 locally on 8-24GB GPUs: official ComfyUI files, GGUF quants for low VRAM, and the Diffusers pipeline. Includes a VRAM table, transparent PNG and multi-reference editing, the vendor benchmark, and the non-commercial license caveat.

OpenAI dots are always-on ChatGPT agents on GPT-6 Astra, each with its own cloud computer and 4,000+ app plugins. Who gets them, what they cost, setup, safety rules, limits, and how they compare with Meta Muse and Grok Bot.