Claude Sonnet 5.5 beats Muse Wonder on SWE-bench (57.2% vs 48.2%) while halving token costs ($2/$10 vs $4/$20) and avoiding Active Focus retry loops.
Token Economics & Pricing
44 Articles in this Category
Real-time AI API pricing, prompt caching math, inference TCO, and enterprise token budget optimization.
Cursor’s X Subscription bundles Grok for $30/mo but pushes Claude to API rates, causing an 800% monthly TCO spike for developers running coding agents.
Google launched Gemini 4 Argon with 1M output tokens, a 77.9% DeepSWE score, and $2/M input pricing. Here is our architectural and benchmark teardown.
Anthropic’s Claude Haiku 5.5 pairs a 1M context with a 5x cost surge at 100k tokens. Here is the worked math on subagent loops, cache reads, and compaction.
In autonomous agentic coding, the most expensive mistake is assigning frontier reasoning models to operational plumbing. On…
GPT-6.1 Sol cache reads cost $0.10 per million tokens, but writes cost $2.50. Worked examples show when reuse lowers the complete request bill.
OpenAI reopens its $200 Pro plan with a 50% cut in API spend value, removes the 5-hour limit, and splits throughput between Sol and flagship Astra.
Anthropic dropped Claude Sonnet 5.5 hours before OpenAI DevDay 2026. With 70.6% Terminal-Bench scores, can the leaked ‘o’ always-on assistant save Sam Altman from an engineering ambush?
Sonnet 5.5 costs $2 per million input tokens and $10 per million output tokens. Compare attributed benchmarks, effort settings and migration requirements.
Claude Sonnet 5.5 leaked in Claude Code binaries with $2/M input, $10/M output, 1M context, and 128K output to counter-program OpenAI DevDay 2026.