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Claude Sonnet 5 Blog
Claude Sonnet 5.5 Price: API Pricing, Token Costs, and Cost per Task
Claude Sonnet 5.5 costs $2/M input and $10/M output officially. Compare CometAPI pricing, prompt caching, Batch discounts, benchmarks, real cost per task.
How to Use Claude Sonnet 5.5 API
Learn how to use Claude Sonnet 5.5 API with CometAPI using cURL, Python, and JavaScript. Explore Messages API, OpenAI-compatible access, streaming, vision.
Claude Opus 5.5 vs Sonnet 5.5: Which Should You Use?
Compare Claude Opus 5.5 vs Sonnet 5.5 across benchmarks, coding, agents, context, speed, API pricing, and cost to choose the right Claude 5.5 model.
GPT-6.1 Sol vs Claude Sonnet 5.5: Which AI Model Should You Use?
Compare GPT-6.1 Sol and Claude Sonnet 5.5 on benchmarks, equal base cache-read rates, context, CometAPI pricing, and API access.
GPT-5.6 vs Claude Sonnet 5: Pricing, Benchmarks & API Access
GPT-5.6 and Claude Sonnet 5 are both generally available, but they solve production workloads differently.
Claude Sonnet 5 API Pricing: Migration Risks, Token Costs, and Opus Routing
Claude Sonnet 5 API pricing, model ID, tokenizer changes, Sonnet 4.6 migration notes, and an Opus 4.8 decision tree for builders.
How to Access the Claude API Without an Anthropic Account
Call Claude API but want to skip the administrative overhead of setting up a direct Anthropic developer account, a unified API gateway is a alternative.
Claude Fable 5 vs Claude Sonnet 5: Which is Better
Compare Claude Fable 5 and Claude Sonnet 5 with benchmarks, pricing, latency, coding performance, CometAPI setup, and model selection recommendations.