Chinese AI model updates for API builders
Short, dated briefings on Chinese frontier model changes, open weights, local hardware fit, and OpenAI-compatible access. Official docs first; estimates and vendor benchmarks are labeled.
Xiaomi Open-Sources MiMo-V2.6: The Strongest Open-Weights Model Ships With Its Whole RL Stack — 7,000+ Environments Included
Pro scores 46 on the Artificial Analysis Index (past Kimi K3 and Qwen3.8 Max), prices held at V2.5, and the open package includes weights, technical report, RL task environments and the training framework. Not on third-party relays yet — GLM, DeepSeek, Qwen, Kimi remain the shelf.
GLM-5.3-FlashX: $0.37/$1.25, officially priced
1M context · reasoning always on · API-only · evidence limits.
Grok 4.7 API: $2/$6, 500K context
AA index 46 · xhigh burns 81K tokens/task · the value slot.
Claude Opus 5.5 API at $4/$20
1M context · thinking always on · full rate card + HN cost test.
Opus 5.5, Grok 4.7 and GLM-5.3-FlashX: what changed for API builders
Two launches with full rate cards ($4/$20 and $2/$6) plus one official Z.ai listing at $0.37/$1.25. Prices, benchmark gaps and the September ladder for builders.
Anthropic names Alibaba, Moonshot AI and Xiaomi in Claude distillation report
151M+ exchanges attributed to Alibaba, reasoning-trace reconstruction by Moonshot, Xiaomi replays user sessions — allegations with zero API impact today. Builder read inside.
DeepSeek-V4.1-Flash official launch: deepseek-flash is live
New-architecture multimodal flash: 1M context, 890 bytes/token KV, $0.15/$0.60 per 1M off-peak, MIT weights — V4 Pro routes to it from Sep 14.
DeepSeek Quietly Opens a 48-Hour V4.1 Flash Beta: New Architecture, Native Multimodal — and an Official Survey Asking If It Can Replace V4-Pro
Set model to deepseek-v4.1-flash-expires-on-0910 and call it: new architecture, native text/image/audio in one base, V4-Flash pricing, community timings 300-507 tok/s. Endpoint retires Sep 10 — a gray-stage checkpoint ahead of the formal cut.
Ollama halves DeepSeek-V4 prices off-peak
50% off outside 12:00-18:00 UTC weekdays and all weekend — V4-Flash $0.22/$0.66, peak rates identical to DeepSeek own card. US/EU hosting with ZDR; GLM-5.3 at z.ai parity.
Tmall AI Space Station fills up: Kimi, MiniMax, DeepSeek join — V4 day cards from ¥4.8
Five vendors now share Tmall's token shelf. A channel event, not a price event — day-card math vs API rates for builders.
GLM-5.3-Flash runs free nightly (Sep 3–20) inside ZCode
Zhipu's build events: nightly 23:00–09:00 unlimited flash usage, 300M-token weekend drops — off-peak-free era deepens, API rates unchanged.
DeepSeek plans 160K+ Huawei Ascend 950DT cluster
Bloomberg exclusive: a ~1GW data center in Ulanqab, Inner Mongolia — the domestic-silicon capacity story under V4 API economics.
Saudi Arabia's HUMAIN-M3 is built on MiniMax M3
The 428B MoE marketed as "100% Saudi" runs on Chinese open weights, post-trained on 1T+ Arabic tokens. National-base era begins.
Qwen3.8-27B on Cerebras: 1,500 tokens/s
The Apache-2.0 27B streams at ~1,500 tok/s on wafer-scale inference — $0.99/$1.49 per 1M, preview tier. HN 392-pt reception.
Zhipu opens a Tmall flagship for GLM tokens
GLM Coding Plan from ¥118/month; Tmall AI 空间站 follows. Channel news, not a rate change.
Anthropic Writes Anti-Distillation Into Its API — the Stated Suspect Is "Industrial Scale," and China's Answer Was Already on the Shelf
New Claude API accounts can't edit around thinking blocks (Aug 31+), Anthropic's launch post calls distillation industrial-scale, and The New Stack voices the China suspicion aloud. The open-weight shelf makes parts of this fight look obsolete.
GPT-6 Astra Launches the "AGI Era" at Fable Prices — the Coding Pack Didn't Move, and China's Open-Weight Shelf Starts 20x Cheaper
OpenAI shipped GPT-6 Astra (Sep 3): OSWorld 72.6 pct, alignment escape 0 pct, staged rollout, Fable-tier pricing — and no clear coding-leadership claim. What the AGI-era flagship means vs GLM-5.3, Kimi K3 and the MIT open-weight shelf.
Qwen3.8-Max-0902: Alibaba's flagship checkpoint
Sep 2 checkpoint upgrades coding, agent orchestration and vision. Same $2/$6 per 1M slot, implicit cache $0.25.
Gemini 3.8 Flash Walks Into the China Flash-Tier Price War — Cheapest Per Intelligence Unit, With a 2027 Price Trap
Google's third Flash in six weeks: DeepSWE 73.7% at $0.75/$3.75 intro ($1.50/$7.50 in 2027). AA: cheapest per intelligence unit — but per-task burn runs 40% above 3.7 Flash. Priced against DeepSeek V4-Flash and GLM-5.3-Flash.
Claude Fable 5.1 Cuts Cache Prices 75% — Chinese Model APIs Are Still 6-18x Cheaper
Anthropic's Sep-1 Fable 5.1 makes agentic workloads up to 45% cheaper (cache reads $0.25/1M) — and DeepSeek V4 cache hits remain ~18x cheaper still. The frontier cost war, priced against official CN rate cards.
Moonshot's 30% Ask: Kimi K3 Open-Source Model Seeks Hyperscaler Revenue Share
Reuters: Moonshot AI negotiating with Microsoft Azure, Amazon AWS, and Google Cloud for K3 hosting, seeking up to 30% revenue share. Early-stage, nothing signed — but the first Chinese-lab-to-US-hyperscaler revenue deal would reverse the software-licensing flow. Chinese media calls it 开源模型「海外收租」.
DeepSeek Opens the Vision-Exp Weights: The 1M-Context Vision Agent Goes Self-Hostable, MIT and Ungated
Ten days after the API launch, deepseek-ai posted the weights on Hugging Face — MIT, ungated, 49 shards, card benchmarks matching the API changelog 1:1. Every live DeepSeek API model now has MIT open weights.
Codex Gets Its 5-Hour Limit Back, Claude Code Cuts 25% — The Metered-API Counterpoint
OpenAI restored Codex's 5-hour cap Aug 25 after a reset-heavy August (three full resets: Aug 8/13/21); Anthropic cuts Claude Code limits from Sep 14. The verified timeline, the quota mechanics, and why pay-per-token China model APIs have no windows at all.
GLM-5.3 Open Weights Land On Schedule: The Post-Training-Scaling Flagship Goes Downloadable
zai-org/GLM-5.3 went live the night of Aug 28 — 141 safetensors shards + BF16, ungated, custom glm-5.3 license — closing the ~two-week safety-review window promised on Aug 14. Specs, license notes and what it completes on the open-weight shelf.
Qwen3.8-Flash-Next: Alibaba Ships the Qwen4 Architecture Early — Open Weights Tonight
ModelScope countdown: open-weight multimodal MoE landing tonight 23:00 Beijing — 125B main + 51B N-gram embeddings with 6B active per token, first taste of Qwen4's GDN + Qwen Sparse Attention. Confirmed-vs-unconfirmed breakdown, why 6B-active matters for local runners, and what to watch when the repo drops.
Mac mini M6 vs M5 Pro for Local LLMs: 32GB or 64GB?
Apple's M6 has the newer accelerator story, but M5 Pro doubles the memory ceiling and reaches 307GB/s bandwidth. A no-hype buyer's guide with official specs, Apple-test labels, Qwen3.8-27B fit, and the M4 upgrade decision.
Mac Studio M5 Max vs M5 Ultra for Local LLMs
M5 Max 128GB is the sensible workstation; M5 Ultra 256GB/512GB is for named models that cannot fit elsewhere. Memory math for DeepSeek V4, GLM-5, Qwen3.8, and Kimi K3, plus the limits of Apple's cluster claim.
Ox Alpha Revealed: Zhipu Confirms GLM-5.3-Flash — Official Release and Open Weights Tonight
Mystery solved: Zhipu confirmed to Bloomberg that Ox Alpha is GLM-5.3-Flash, with the official release and open weights tonight (Aug 26). The stealth run's 100T tokens/day ran on Chinese chips (SemiAnalysis); the Pony Alpha script replayed to the letter. Full saga, forensics, and reveal inside.
OpenAI-Backed Harvey Builds Its First Model on Kimi K3 Open Weights
Legal-tech leader Harvey (backed by OpenAI/Sequoia/a16z) announced Harvey Tenet — a Kimi K3 open-weight base post-trained with Fireworks for long-horizon legal work. ~2× tasks vs base K3 on Harvey's LAB at open-source cost; research preview, no published weights. The clearest Western adoption signal yet for Chinese open weights.
DeepSeek Drops Weekend Peak Pricing: Saturdays & Sundays Now All-Day Off-Peak
From Aug 23 00:00 Beijing time, weekends bill entirely at off-peak rates — v4-pro output ¥13.5/M all day vs ¥27 weekday peak. Less than a week after the peak/off-peak mechanism landed. Full weekend rate card, scheduling math, and sources. Updated Sep 16: the v4-flash rows below are the retired model's card — legacy names now alias to V4.1-Flash.
HappyHorse 1.1 Goes Global: Full API on Model Studio, Video Editing, and a Climb Past Seedance
Alibaba opened HappyHorse 1.1's full capabilities via API on Model Studio — new video-editing mode, integrated audio at no extra cost, 40% two-week launch discount, $0.0988/s (720p) on OpenRouter, and a No.2 global video-arena rank ahead of Seedance and Sora. Platforms, pricing table, and sources inside.
GLM-5.3 API Goes GA: $1.40/$4.40, One-Day Slip, and an Ecosystem That Didn't Wait
Zhipu opened general API access in the early hours of Aug 19 — one day late, priced same as GLM-5.2, AA Index 60 (open-source co-#1). Verified launch-week timeline, pricing table vs Qwen3.8/K3/V4-Flash, platform roll call (ZCode, PhanRouter, supercomputing internet), and what changes before weights land Aug 28.
MiniMax Design: the H3 Video Model Gets an Agent Workbench
Three weeks after open-sourcing H3, MiniMax shipped the layer that tries to sell it: a natural-language creation agent workbench with a 3D director stage and ComfyUI hookup. A product, not an API — the model endpoints remain the programmatic path. Compact brief with sources.
Qwen3.8 Open Weights (2026): 2.4T Max Checkpoints + an Apache-2.0 27B for Your Laptop
Alibaba's first open-weight Max-class drop: Qwen3.8-2.4T-A95B (+FP8) on Hugging Face, plus a dense vision-language 27B under Apache 2.0 that runs from a 17GB file. Timeline, license fine print, $2/$6 API pricing, Simon Willison's local recipe, and a routing table.
Kling 3.0 API (2026): Official Pricing, Turbo & Omni, and the $3B Spin-Off
Kuaishou's Kling 3.0 family on the official international API: list prices $0.084–$0.42/s (native 4K), Turbo bundling audio, Omni adding video input, JWT task-based API shape. Q2 earnings: RMB 850M+ revenue (+200% YoY), 100M+ users, July's ~$3B raise at ~$18B valuation. Routing table + 10-second cost math vs Seedance.
DeepSeek-V4-Flash-Vision-Exp (2026): Official Launch, Pricing, API Quickstart
Launched Aug 21 evening (UTC+8): experimental multimodal vision model at V4-Flash pricing ($0.22/1M input, images capped at 384 tokens), text parity with V4-Flash, multimodal agent close to Opus-4.8, new Files API, Harness v0.1.1-rc.1 support. Includes curl/Python quickstart, cost math vs Claude/Gemini/Grok vision, and which DeepSeek model to route. Updated Sep 16: the model is retired; the name temporarily aliases to V4.1-Flash.
DeepSeek Harness Adds Multimodal Image Input: rc.7 + rc.8
Two-step rollout: rc.7 (Aug 17) durable image attachments in MCP/ACP; rc.8 (Aug 19) native image requests for DeepSeek adapters plus image input for /goal and /plan. The harness can now carry images — but V4-Pro/V4-Flash stay text-only, and rc.8 rides the npm next tag. Turing Post calls the harness a "second DeepSeek moment."
Gemini 3.7 Flash: Google's Workhorse Model for Coding and Agents
Google announced Gemini 3.7 Flash on Aug 13 — 1M context, DeepSWE 65.3%, intro $0.75/$3.75 per 1M tokens through 2026. A Western frontier baseline note; Gemini is not routed by ChinaModelAPI.
DeepSeek Harness v0.1: DeepSeek Open-Sources Its Agent Harness
MIT-licensed, everything-is-a-plugin agent harness (dsh) announced Aug 13 evening — overseas press calls it an open Claude Code rival. Four work modes, session import from Claude Code, 288 plugins in 24h. Model-agnostic by design.
GLM-5.3 Officially Released: Post-Training Scaling, Emergent Cyber, Weights in 2 Weeks
Z.ai's official blog announced GLM-5.3 on Aug 14 — same base as GLM-5.2, Terminal-Bench 3.0 4.6→28.3, CyberGym 84.5%, 2,436 real vulnerabilities found. Updated Aug 19: API priced same as 5.2 ($1.40/$4.40 per 1M), independent AA index 60, weights due ~Aug 28; VentureBeat / The Decoder / Interconnects coverage in.
DeepSeek-V4-Pro-0813 Official: 正式版 GA With Stronger Agents
DeepSeek's official API docs updated deepseek-v4-pro to DeepSeek-V4-Pro-0813 on 2026-08-13 (evening). Same model ID, enhanced agent capability, minor pricing adjustment. What API builders need to do — almost nothing.
Grok 4.6: xAI's New Recommended Flagship, Now in the API
xAI's official developer docs now list grok-4.6 as the latest flagship — 500k context, $2/$6 per 1M tokens, recommended for code. A Western frontier baseline note; Grok is not routed by ChinaModelAPI.
China Model Watch — Weekly Model Status
Weekly snapshot of Chinese AI model flagships tracked by ChinaModelAPI as of 2026-08-09, vs GPT-5.6 Sol / Claude Opus 5 baselines. Auto status brief for API builders.
MiniMax H3 Open Weights: Native A/V Video Model
H3 (not M3) is MiniMax’s multimodal video model with native stereo audio. HF weights + ComfyUI + hosted API. Not an official “open Kling” name — quality talk often vs Seedance.
Qwen3.8-Max: ~2.4T Flagship — Not a New Video Generator
August 2026 Qwen flagship for coding and long-horizon work. Clarifies rumors: not Qwen2.5-VL / Qwen2-VL-72B as a Seedance-class T2V release.
Seedance 2.0 Mini / Fast Discount Watch: Mini ~4折 Signals
August 2026 market note: Mini often advertised around 4折, Fast ~75折 on some platforms. Not ChinaModelAPI pricing — verify per console. Mini for iteration, 2.5 for finals.
Seedance 2.5 Capabilities: 30s One-Take, 50 Refs, Live Platforms
Official launch plus August 2026 rollout: 30s single-pass, ~50 multimodal references, stronger editing. Where creators use it and what API builders should do.
Seedance 2.5 Status (Historical): July Slip Notes
Pre-launch status brief from late July. Superseded by the official 2026-07-31 launch post — kept for timeline context only.
DeepSeek-V4-Pro for API Builders: What Replaced V3.2
DeepSeek-V4-Pro and V4-Flash are the 2026 flagship pair (1M context, open weights). How to migrate OpenAI-compatible clients from V3-era model IDs.
Kimi K3 + GLM-5.2: The 2026 Open Frontier Pairing
How Moonshot Kimi K3 and Zhipu GLM-5.2 complement each other for long-horizon coding, 1M context, and open-weight deployment — with OpenAI-compatible access notes.
data/model-watch/; publish after source checks.