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Models / anthropic/claude-opus-4.1
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anthropic/claude-opus-4.1

Anthropic Active & Healthy

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

Evaluation Rating
9.0/10
Composite Score
Context Length
195.3 KB tokens
Input Price (1M Tokens)
R 338.8647
Output Price (1M Tokens)
R 1694.3235
API Protocol
OpenAI Compatible

Interactive ZAR Cost Calculator

Estimate real-time cost in South African Rands based on your expected prompt and completion token counts.

Prompt Tokens (Input) 10,000 tokens
Completion Tokens (Output) 2,000 tokens
Estimated Cost Per Request
R 0.0000
0 µR debited from prepaid wallet

Standardized Capability Benchmarks

Standardized multi-suite performance evaluations calibrated out of 10 against international LLM leaderboards.

Chat & Conversational Reasoning 9.0/10
Calibrated against LMSYS Chatbot Arena human preference Elo
Coding & Software Architecture 9.0/10
Calibrated against HumanEval (Pass@1) unit tests and SWE-bench
Structured JSON & Tool Calling 9.0/10
Berkeley Function Calling Benchmark (BFCL) schema compliance
Academic Knowledge & MMLU 9.0/10
MMLU-Pro Multitask Professional Knowledge across 57 disciplines

1-Click Quickstart Code Snippets

Copy and paste directly into your application. Uses OpenAI standard SDK formats.

curl https://aiproxy.farmazone.co.za/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-live-your_api_key_here" \
  -d '{
    "model": "anthropic/claude-opus-4.1",
    "messages": [
      {"role": "user", "content": "Explain quantum computing in simple terms."}
    ]
  }'
Your API Key: sk-live-your_api_key_here
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Alternative & Complementary Models

Model Name Provider Context Input (1M) Output (1M) Action
anthropic/claude-fable-5 Anthropic 976.6 KB R 225.9098 R 1129.5490 View Specs →
anthropic/claude-fable-5.1 Anthropic 976.6 KB R 225.9098 R 1129.5490 View Specs →
anthropic/claude-haiku-4.5 Anthropic 195.3 KB R 22.5909 R 112.9548 View Specs →
anthropic/claude-opus-4.5 Anthropic 195.3 KB R 112.9548 R 564.7744 View Specs →