Claude Opus 4.1 is Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves high scores on SWE-bench Verified and excels in multi-file code refactoring, debugging precision, and detail-oriented reasoning. The model supports extended thinking up to 64K tokens and is optimized for research, data analysis, and tool-assisted workflows.
$7.50market price $15.00
$0.75market price $1.50
$37.50market price $75.00
Throughput is how fast the model writes (tokens per second, higher is better). Time to first token is how long before the answer starts (lower is better).
Share of requests served without a server error. Client errors (4xx) do not count.
Works with the OpenAI SDK pointed at our base URL. Every parameter is in the API reference.
Tokens processed per day on NagaAI.
Claude Opus 4.1 is Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves high scores on SWE-bench Verified and excels in multi-file code refactoring, debugging precision, and detail-oriented reasoning.
On NagaAI, Claude Opus 4.1 costs $7.50 per 1M input tokens and $37.50 per 1M output tokens. You pay only for what you use, with no subscription.
Claude Opus 4.1 reads up to 200k tokens in one request, counting the prompt and the answer together.
Yes. Claude Opus 4.1 can call your functions as tools and can answer in a JSON schema you give it.
It takes text, images and files as input and returns text.
Create an API key, copy the model ID from the top of this page and send requests with the OpenAI or Anthropic SDK pointed at NagaAI. The API section on this page has a ready example.
Claude Haiku 5.5AnthropicClaude Sonnet 5.5AnthropicClaude Opus 5.5AnthropicClaude Fable 5.1AnthropicClaude Opus 5AnthropicClaude Sonnet 5AnthropicNot enough throughput data
Not enough TTFT data