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AI Benchmarking

285 summarised stories about AI Benchmarking, each linking back to the original source. Browse all topics →

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Tuesday, 29 September 2026

These Tech Workers Made ChatGPT Drive a Toyota Corolla

404 Media 2 weeks ago 44

DrivingBench hooked ChatGPT-style LLMs to a Toyota Corolla and tried to have them steer, accelerate, and brake through a cone course in a parking lot. GPT-6 Astra was the only model that eventually completed the course after extensive prompt changes and troubleshooting. The work became a proposed real-world driving benchmark for off-the-shelf frontier models, with results reported alongside the code and prompts.

Sonnet 5.5 is worth a try

Ben's Bites 2 weeks ago 1 ● 13 sources

Anthropic released Claude Sonnet 5.5 and the article reports it performs close to Opus 5.5 on coding and shows a larger improvement on understanding images and charts. The post says subscribers on the $20 plan should replace some usual Opus requests with Sonnet 5.5 for experimentation. It also covers other AI model and agent updates—like OpenAI fixes for GPT-6 browser use and the mention of agents probing Australian government sites—shifting readers toward trying newer AI models and agent safety tools.

FrontierSWE v2

frontierswe.com 2 weeks ago 17

FrontierSWE v2 added 21 new challenges, increasing the total to 34, and retired 4 tasks from v1 while expanding coverage across visual reasoning, graphics, scientific computing, and AI research. The benchmark now scores every task on a 0 to 1 scale. Changes include deterministic, reproducible scoring via a proxy performance metric, plus a cleaner two-container verifier setup and stronger non-root user separation to prevent cheating.

Anthropic has launched Claude Sonnet 5.5

Artificial Analysis 2 weeks ago 17 ● 13 sources

Anthropic launched Claude Sonnet 5.5 and put it on its Artificial Analysis Intelligence Index. It scored 56, 2 points behind Opus 5.5 (max), while using about 193k output tokens per task at max effort. Performance improvements come with higher token usage and a cost per task of $7.60 (about 50% higher than Sonnet 5), plus a pre-release structured-output bug being fixed for the public release.

Anthropic Releases Claude Sonnet 5.5: 70.6% on Terminal-Bench 4.0 at the Same $2/$10 Price

MarkTechPost 2 weeks ago 30 ● 13 sources

Anthropic released Claude Sonnet 5.5, a new second model in its Claude 5.5 family intended as a faster, lower-cost complement to Opus 5.5 and offered via Claude Platform and major cloud providers. Terminal-Bench 4.0 shows Sonnet 5.5 at 70.6% versus 10.3% for Sonnet 5 and 66.4% for Opus 5.5, while list API pricing stays at $2 per 1M input tokens and $10 per 1M output tokens. Performance upgrades including 30%+ faster output and up to 30% lower cost per task change how teams pick models and effort settings, though self-hosting remains unavailable because the model is closed-weights.

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