Claude Opus 5

Anthropic

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Anthropic's Claude 5 flagship for agentic coding, computer use and long-horizon reasoning, with thinking on by default.

Streaming JSON mode Tool calling Vision Reasoning Long context Multilingual

Model highlights

Thinking on by default
Agentic coding and computer use
Million-token context
Vision and file input
Tool calling and structured output

Modalities: IntextimageOuttext
Input / output: $5.00 / $25.00USD per 1M tokens
Context: 1M
Providers: 2 live
Released: Jul 24, 2026
Knowledge cutoff: May 2026

Chat with Claude Opus 5 free →

Playground

Preparing playground

Providers


	primary	26.9s	100%
	fallback	20.4s	100%

Performance

Response latency estimates

Time to first token

Generation speed · tok/s

Request success

Text-model timing and speed, plus API request success. Daily latency percentiles are estimates. Your request logs

API

POST/api/v1/chat/completionsOpenAI-compatible

claude-opus-5

curl https://www.ninjachat.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $NINJACHAT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-5",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'

messagestemperaturemax_completion_tokenstop_pstopfrequency_penaltypresence_penaltyseedstreamuserroutingtoolstool_choiceresponse_formatimage_url content partsreasoningreasoning_effort

Pricing

Input: $5.00/M tokens
Cached input: $0.50/M tokens
Cache write: $6.25/M tokens
Output: $25.00/M tokens

Published USD rates. Actual cost depends on input, output, cache usage and request options.