claude-sonnet-4.5
Claude Sonnet 4.5 is the newest model in the Sonnet series, offering improvements and updates over Sonnet 4.
| Provider | Source | Input Price ($/1M) | Output Price ($/1M) | Description | Free |
|---|---|---|---|---|---|
| vercel | vercel | Input: $3.00 | Output: $15.00 | Claude Sonnet 4.5 is the newest model in the Sonnet series, offering improvements and updates over Sonnet 4. | |
| poe | poe | Input: $2.60 | Output: $13.00 | Claude Sonnet 4.5 represents a major leap forward in AI capability and alignment. It is the most advanced model released by Anthropic to date, distinguished by dramatic improvements in reasoning, mathematics, and real-world coding. Supports 1m tokens of context. To instruct the bot to use more thinking effort, add `--thinking_budget` and a number ranging from 0 to 31,999 to the end of your message. Use `--web_search true` to enable web search and real-time information update. This is disabled by default. | |
| githubcopilot | models-dev | Input: $0.00 | Output: $0.00 | Provider: GitHub Copilot, Context: 128000, Output Limit: 16000 | |
| zenmux | models-dev | Input: $3.00 | Output: $15.00 | Provider: ZenMux, Context: 1000000, Output Limit: 64000 | |
| openrouter | openrouter | Input: $3.00 | Output: $15.00 | Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with improvements across system design, code security, and specification adherence. The model is designed for extended autonomous operation, maintaining task continuity across sessions and providing fact-based progress tracking. Sonnet 4.5 also introduces stronger agentic capabilities, including improved tool orchestration, speculative parallel execution, and more efficient context and memory management. With enhanced context tracking and awareness of token usage across tool calls, it is particularly well-suited for multi-context and long-running workflows. Use cases span software engineering, cybersecurity, financial analysis, research agents, and other domains requiring sustained reasoning and tool use. Context: 1000000 |