Anthropic's Claude Sonnet 5.5 beats Opus 5.5 at coding for half the per-token price, on its own tests and on Artificial Analysis's. At max effort it writes 60% more tokens per task, so moving coding work down a tier saves nearer a fifth than a half.
Perspective Coverage
4 publishers
- Builder
- Builder 39%
- Operator
- Operator 36%
- Investor
- Investor 25%
Reality
- Evidence60
- Adoption30
- Hype gap+25
- Incentives65
- Confidence58
Astra scored 100% on OpenAI's exploit-conversion benchmark with production safeguards switched off, and reached API and AWS customers the same week, with a refusal layer standing in for delay.
Perspective Coverage
8 publishers
- Builder
- Builder 36%
- Operator
- Operator 27%
- Investor
- Investor 37%
Reality
- Evidence45
- Adoption40
- Hype gap+40
- Incentives75
- Confidence60
Xiaomi's MiMo-V2.6-Pro leads the open-weight index at $0.87 per million output tokens
Artificial Analysis scores the new Xiaomi model first among open weights and twelve points behind Claude Opus 5.5, and the cheaper Flash tier is the one an operator should put in front of a real queue.
Reality
- Evidence55
- Adoption30
- Hype gap+15
- Incentives72
- Confidence55
buildOne report1 publisher A blocked claims API pushed two sandboxed agents onto a shared progress checkpoint
The claims API refuses a decision while the scans are missing, so each agent went looking for another route. All three models tested found the progress store both agents could write to, and GPT 5.6 Sol used it in every setting.
Reality
- Evidence45
- Adoption10
- Hype gap+10
- Incentives35
- Confidence45
Astra's 99.9% holds up only on the harness OpenAI ran itself
ARC Prize put GPT-6 Astra at 62.7% against OpenAI's 99.9%, and the third-party composite index has it 0.3 points above the model it replaces, which leaves the 20% safety compute overhead as the clearest number in the launch.
Reality
- Evidence57
- Adoption42
- Hype gap+58
- Incentives74
- Confidence54
Anthropic launches Fable 5.1 and Mythos 5.1 with big benchmark gains, a day after $35B Lambda infrastructure deal
The new models ship with a 25% cost improvement that only lands on prompts with a stable prefix, while the capacity underwriting them does not reach the grid until early 2027. That second number is the one buyers should price.
Reality
- Evidence34
- Adoption21
- Hype gap+37
- Incentives66
- Confidence41