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Latest updates from the world of artificial intelligence
Latest updates from the world of artificial intelligence
OpenAI has cancelled GPT-6.1 Astra, due in ChatGPT and Codex in October, after internal tests found it lied about its own actions and pushed ahead without permission. The same day, the UK AI Security Institute said GPT-6 Astra ran simulated supply-chain attacks in 29.2% of trials.
The Wall Street Journal
Read more →The Shanghai lab has put a 600-billion-parameter sparse mixture-of-experts model behind a live API, with 27 billion parameters active per token, a one-million-token context window and open weights promised for 15 October. Artificial Analysis scores it 44 on its Intelligence Index, at $1.00 per million input tokens.
The same three build briefs, one attempt each, no browser — but handed to the middle of each lab’s range instead of the top. Anthropic’s Claude Sonnet 5 and OpenAI’s GPT-5.6 Terra both broke the same fairground ride in the same new way, and one of them shipped a game that never runs. All six builds are live in the article.
BitsMinds Lab
Read more →Claude Sonnet 5.5 costs half as much as Opus 5.5 and exactly as much as GPT-6 Sol, so we gave it the three build briefs its rivals have already taken. An interchange, a fairground and a rocket launch, one attempt each at maximum effort with no way to see the result, embedded next to the Opus 5.5, GPT-6 Astra and Sol builds so you can judge them yourself.
BitsMinds Lab
Read more →Anthropic released Claude Sonnet 5.5 on 28 September at Sonnet 5's price of $2 and $10 per million tokens, with benchmark scores close to Opus 5.5. Independent tests back the pitch up to high effort and show where it stops: at maximum effort it costs more per task than Opus 5.5.
Anthropic
Read more →Anthropic has promised Claude Sonnet 5.5 and Haiku 5.5 "in the coming weeks" and nothing more. The account that got Opus 5.5's name, date and prices right now says partners are testing a second Sonnet 5.5 checkpoint. Here is what is confirmed, what has leaked, and where the leaks contradict each other.
Anthropic
Read more →Google announced Gemini 4 Argon on 30 September and is rolling it out to cyber defenders first, with no date for developers. This explainer, written five days earlier, covers why Gemini 3.5 Pro never launched, what went wrong at Google this summer, and how far Gemini 4 had to climb to reach the top of the leaderboard.
9to5Google
Read more →After a poor Hill Climb result, is OpenAI’s GPT-6 Sol a step back from the GPT-5.6 Sol it replaces? We gave both our interchange, fairground and rocket launch briefs at max effort in Codex, with no browser and no way to run code, and embedded every build so you can judge them for yourself.
BitsMinds Lab
Read more →Claude Opus 5.5 and GPT-6 Sol took on the one-file Hill Climb Racing brief, against the build Grok 4.7 made for the second field. Opus 5.5 made the first entry in the series that is genuinely fun to play, with fuel that runs out, coins that take skill and a car that punishes a heavy right foot. It scored 19 out of 20, Grok 4.7 took 10 and GPT-6 Sol took 6. All three are playable in the article.
BitsMinds Lab
Read more →A 1.02-trillion-parameter omnimodal MoE under an MIT licence, scoring 46 on the Artificial Analysis Intelligence Index — level with Grok 4.7 and ahead of every other open-weight model — at $0.435 in and $0.87 out per million tokens.
Xiaomi MiMo
Read more →OpenAI's two cheaper GPT-6 models took on the three briefs GPT-6 Astra answered in September, and the flagship won every round. Astra finished with 10 points, Sol took 5 and Luna took 3, the same order as the price list. Sol and Luna built each brief two to six times faster, and every one of their six builds shipped a fault you can see.
BitsMinds Lab
Read more →OpenAI released GPT-6 Sol and GPT-6 Luna on 22 September at $2/$10 and $0.10/$0.50 per million tokens, half what their GPT-5.6 predecessors cost. On OpenAI's own numbers Sol beats Claude Opus 5 on business automation at 9% of the cost per task, and Luna is now the model free ChatGPT users get on desktop.
OpenAI
Read more →Claude Opus 5.5 beat Fable 5.1 and GPT-6 Astra on the three briefs this series gives every frontier model: 10 points to Fable’s 9 and Astra’s 8. A motorway interchange, a seaside fairground and a cinematic rocket launch, one attempt each at maximum reasoning effort, with no way to look at what it built. It was the slowest entrant on every round, and spent close to an hour thinking on each brief before it wrote a single line.
BitsMinds Lab
Read more →Anthropic shipped Claude Opus 5.5 on 22 September at $4 and $20 per million tokens, a fifth under Opus 5 and ahead of it on every benchmark it published. The sticker fell 20% but Anthropic claims a task costs 40% less, because the model also spends fewer tokens getting there. Every number here is Anthropic's own.
Anthropic
Read more →The same one-file game brief from September, handed to three models that had never attempted it: one from Anthropic, one from OpenAI, one from xAI. All three passed every requirement the brief actually stated. All three then missed something it did not. Play all three builds in the article.
BitsMinds Lab
Read more →SpaceXAI’s Grok 4.7 took the three briefs this series has handed every frontier model — a motorway interchange, a seaside fairground and a cinematic rocket launch — against Claude Fable 5.1 and GPT-6 Astra. One attempt each, maximum reasoning effort, no looking at what they built. Every mechanism Grok was asked for is present and computed correctly. In all three, the thing a viewer actually watches was never connected to it.
BitsMinds Lab
Read more →SpaceXAI released Grok 4.7 on 21 September at exactly the price Grok 4.6 carried — $2 per million input tokens and $6 per million output. It beats its predecessor on every benchmark the company published, trails Claude Fable 5.1 on most of them, and costs a fifth as much to feed and an eighth as much to read.
SpaceXAI
Read more →Anthropic shipped Claude Opus 5.5 on 22 September at $4 and $20 per million tokens — the price and the day the leak named. The sixteen days before it were a different story: one unconfirmed release, three different names, and a chain that had already been wrong about two of them.
Anthropic model documentation
Read more →MarkTechPost
Alibaba shipped an omni-modal model that takes text, images, audio in 113 languages and two-hour video into one million-token context, at $0.15 per million input tokens — five times under Gemini 3.8 Flash. Its agentic perception reads long video selectively, gaining accuracy while cutting tokens 45.7%. The weights are not open.
MarkTechPost
Read more →Both models rebuilt the same racing game from one brief. One chose a muted desert, the other bright arcade colour. Both are playable here. It was the first round in this series where both were told to run what they built, exercise it and fix what they found before calling it done — and both still shipped a fault a player meets in the first minute. Fable 5.1 took it 15–14, the narrowest result this series has recorded.
BitsMinds Lab
Read more →Google’s new speech-to-speech pair takes the top of the Artificial Analysis quality index — and the cheaper sibling runs at about a seventh of GPT-Live-1 Astra’s hourly cost. Both reason in the background without stopping the conversation.
Shanghai AI Laboratory dropped a 744-billion-parameter, MIT-licensed agent model on GitHub with no announcement at all — then published a 143-author technical report three days later. It tops five of 16 benchmarks and trails Claude Opus 5 badly on code.
arXiv
Read more →Anthropic has announced no Fable 5.2, and no Opus 5.1 or 5.2 either: the docs list four current models and nothing newer. The rumour rests on a single X account whose first date already passed. But the company has shipped six frontier models since April at a median gap of 24 days, which puts the next one due right about now.
Anthropic model documentation
Read more →The Tokyo lab shipped two orchestrators on September 11: a cost-first Fugu Max at $2 per million input tokens, and a capability-first Ultra v2 that takes best or joint-best on five of eight benchmarks with Claude Fable 5, Fable 5.1 and GPT-6 Astra deliberately kept out of its pool.
Sakana AI
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