Claude Opus 4.8

API

Claude Opus 4.8 is a language model from Anthropic with a 200K-token context window. Provider list price is $5 per million input tokens and $25 per million output; on Allocate you pay $5.35 and $26.75. It is a closed model served over API; the weights are not published.

Pricing

Prices checked 2026-07-21.

Price against its peers

Provider list prices per M tokens, Claude Opus 4.8 against its nearest language peers by price.

What a real workload costs

Take 1,000,000 requests a month at 1,200 input and 350 output tokens each: 1,200M input and 350M output tokens. At list prices that is 1,200 × $5 + 350 × $25 = $14,750 a month. Billed on Allocate it is $15,783.

Where it fits

Anthropic’s deepest reasoner. At $5 per million input tokens and $25 out it is priced for the hardest problems; route the 1% of traffic where being right is worth it and keep the rest on faster, cheaper models.

• Hardest reasoning problems
• High-stakes analysis
• Escalation tier for agents

Claude Opus 4.8 is served over API. Route traffic to it by name, meter every token, and swap it out in one click when a better fit ships.

Example usage

Point a route at anthropic/claude-opus-4.8 and the endpoint never changes; swap the model behind it whenever you want.

curl https://api.allocate.network/v1/chat/completions \
  -H "Authorization: Bearer $ALLOCATE_KEY" \
  -d '{
    "model": "anthropic/claude-opus-4.8",
    "messages": [{"role": "user",
      "content": "Summarise the attached contract."}]
  }'

Common questions

Compare against