Anthropic: Claude Opus 4.5

Anthropic

anthropic/claude-opus-4-5

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...

Context

200K

Input /1M

$5.00

Output /1M

$25.00

Latency (TTFT)

1,103ms

Pricing

Per 1M tokens, in USD

Input$5.00

Output$25.00

Cache read$0.50

Cache write (5m)$6.25

Cache write (1h)$10.00

Specs

file inimage intext intext outModerated

TokenizerClaude

Max output tokens64,000

Supported parameters

include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_kverbosity

Where it ranks on price

Against 157 routable models

Input$5.00

Cheaper than 6% of routable models

Output$25.00

Cheaper than 5% of routable models

Benchmarks

No third-party benchmark data available for this model yet.

Call this model

Swap in your Mizan key — the request/response bodies are OpenAI chat-completion shaped.

cURL

curl https://api.app-mizan.com/v1/chat/completions \
  -H "Authorization: Bearer mizan_rt_..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-opus-4-5",
    "messages": [{ "role": "user", "content": "Say hi in five words." }]
  }'

Models

Anthropic: Claude Opus 4.5

Anthropic

anthropic/claude-opus-4-5

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...

Context

200K

Input /1M

$5.00

Output /1M

$25.00

Latency (TTFT)

1,103ms

Pricing

Per 1M tokens, in USD

Input$5.00

Output$25.00

Cache read$0.50

Cache write (5m)$6.25

Cache write (1h)$10.00

Specs

file inimage intext intext outModerated

TokenizerClaude

Max output tokens64,000

Supported parameters

include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_kverbosity

Where it ranks on price

Against 157 routable models

Input$5.00

Cheaper than 6% of routable models

Output$25.00

Cheaper than 5% of routable models

Benchmarks

No third-party benchmark data available for this model yet.

Call this model

Swap in your Mizan key — the request/response bodies are OpenAI chat-completion shaped.

cURL

curl https://api.app-mizan.com/v1/chat/completions \
  -H "Authorization: Bearer mizan_rt_..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-opus-4-5",
    "messages": [{ "role": "user", "content": "Say hi in five words." }]
  }'