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Models / Anthropic

Anthropic: Claude Opus Latest

~anthropic/claude-opus-latest

text imageContext 1M

This model always redirects to the latest model in the Claude Opus family.

Price

Input$4

per 1M tokens

Output$20

per 1M tokens

Compare this model

Providers

Each row is one seller. Prices are the published rate from that source. A dash means that source did not publish the amount. Sorted by a 3:1 blend of input and output.

No provider prices yet.

Monthly bill

Token models use the token counts. Image, video, and audio models use units times the flat rate.

$24.00 at list price for this workload

Cache

Cache read$0.2

per 1M tokens

Cache write$5

per 1M tokens

1-hour cache write$8

per 1M tokens

Tiers

Web search
$0.01 per request
Every rate
UnitInputOutputFlatConfidence
token $4/1M $20/1M Not published— official

Price history

Anthropic: Claude Opus Latest
30 0 2026-09-15: $52026-09-16: $52026-09-17: $52026-09-18: $52026-09-19: $52026-09-20: $52026-09-21: $52026-09-22: $42026-09-23: $42026-09-24: $42026-09-25: $42026-09-26: $42026-09-27: $42026-09-28: $42026-09-29: $42026-09-30: $42026-10-01: $42026-10-02: $42026-10-03: $42026-10-04: $42026-10-05: $42026-10-06: $42026-10-07: $42026-10-08: $42026-10-09: $42026-10-10: $42026-10-11: $42026-10-12: $42026-10-13: $42026-10-14: $42026-10-15: $42026-10-16: $42026-10-17: $42026-10-18: $42026-10-19: $42026-10-20: $42026-10-21: $42026-10-22: $42026-10-23: $42026-10-24: $42026-10-25: $42026-10-26: $42026-10-27: $42026-10-28: $42026-10-29: $42026-10-30: $4 2026-09-15 2026-10-30

input or flat output

Daily snapshots
UTC dateUnitInputOutputFlat
2026-09-15 token $5 $25 Not published—
2026-09-16 token $5 $25 Not published—
2026-09-17 token $5 $25 Not published—
2026-09-18 token $5 $25 Not published—
2026-09-19 token $5 $25 Not published—
2026-09-20 token $5 $25 Not published—
2026-09-21 token $5 $25 Not published—
2026-09-22 token $4 $20 Not published—
2026-09-23 token $4 $20 Not published—
2026-09-24 token $4 $20 Not published—
2026-09-25 token $4 $20 Not published—
2026-09-26 token $4 $20 Not published—
2026-09-27 token $4 $20 Not published—
2026-09-28 token $4 $20 Not published—
2026-09-29 token $4 $20 Not published—
2026-09-30 token $4 $20 Not published—
2026-10-01 token $4 $20 Not published—
2026-10-02 token $4 $20 Not published—
2026-10-03 token $4 $20 Not published—
2026-10-04 token $4 $20 Not published—
2026-10-05 token $4 $20 Not published—
2026-10-06 token $4 $20 Not published—
2026-10-07 token $4 $20 Not published—
2026-10-08 token $4 $20 Not published—
2026-10-09 token $4 $20 Not published—
2026-10-10 token $4 $20 Not published—
2026-10-11 token $4 $20 Not published—
2026-10-12 token $4 $20 Not published—
2026-10-13 token $4 $20 Not published—
2026-10-14 token $4 $20 Not published—
2026-10-15 token $4 $20 Not published—
2026-10-16 token $4 $20 Not published—
2026-10-17 token $4 $20 Not published—
2026-10-18 token $4 $20 Not published—
2026-10-19 token $4 $20 Not published—
2026-10-20 token $4 $20 Not published—
2026-10-21 token $4 $20 Not published—
2026-10-22 token $4 $20 Not published—
2026-10-23 token $4 $20 Not published—
2026-10-24 token $4 $20 Not published—
2026-10-25 token $4 $20 Not published—
2026-10-26 token $4 $20 Not published—
2026-10-27 token $4 $20 Not published—
2026-10-28 token $4 $20 Not published—
2026-10-29 token $4 $20 Not published—
2026-10-30 token $4 $20 Not published—

Alternatives

Parameters (11)
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosity
Call this model

OpenRouter id ~anthropic/claude-opus-latest. InferenceList does not send the request.

curl
curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"~anthropic/claude-opus-latest","messages":[{"role":"user","content":"Hello"}]}'

JavaScript
await fetch("https://openrouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: "Bearer " + process.env.OPENROUTER_API_KEY,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "~anthropic/claude-opus-latest",
    messages: [{ role: "user", content: "Hello" }],
  }),
});

Python
import os, json, urllib.request
req = urllib.request.Request(
    "https://openrouter.ai/api/v1/chat/completions",
    data=json.dumps({"model": "~anthropic/claude-opus-latest", "messages": [{"role": "user", "content": "Hello"}]}).encode(),
    headers={"Authorization": "Bearer " + os.environ["OPENROUTER_API_KEY"], "Content-Type": "application/json"},
)
print(urllib.request.urlopen(req).read().decode())

JSON · History JSON