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Claude Opus 4.7

-50% vs list

Anthropic · 200K context · 32K max output. Half the vendor list price on Halfbill, through the same API you already use.

claude-opus-4-7
Use this model

Specifications

Model id
claude-opus-4-7
Vendor
Anthropic
Tier
Standard
Context window
200K tokens
Max output
32K tokens
Capabilities
Streaming, Tool calls, Vision, Reasoning, Structured outputs, Prompt caching
Endpoints
/v1/chat/completions, /v1/responses, /v1/messages

Pricing

USD per 1M tokens, excl. VAT. Identical for API and chat.

TokensListHalfbill
Input$7.50$3.75
Output$37.50$18.75
Cached input—$0.375

List price is the vendor's published rate at the time the catalog was generated. Cached-input rates are not compared.

Call it

Both endpoint families, with this model id filled in. Set HALFBILL_API_KEY and run.

OpenAI-compatible (cURL)
curl https://api.halfbill.uk/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $HALFBILL_API_KEY" \
  -d '{
    "model": "claude-opus-4-7",
    "messages": [{"role": "user", "content": "Say hello in one line."}]
  }'

Frequently asked questions

Is this the same Claude Opus 4.7 as Anthropic's?

Yes. Requests to "claude-opus-4-7" are served by the same model. Halfbill is an independent service and is not affiliated with Anthropic; we bill at our own prices.

What does Claude Opus 4.7 cost on Halfbill?

$3.75 per 1M input tokens and $18.75 per 1M output tokens, 50% below the list price of $7.50 / $37.50. Cached input tokens cost $0.375 per 1M. USD, excl. VAT.

Which endpoints can I use?

The OpenAI-compatible /v1/chat/completions and /v1/responses endpoints and the Anthropic-compatible /v1/messages endpoint at https://api.halfbill.uk, with the model id "claude-opus-4-7".

How large is the context window?

200K tokens of context and up to 32K output tokens per request, as listed in the catalog.

Does it work in Claude Code and Cursor?

Yes. Set ANTHROPIC_BASE_URL=https://api.halfbill.uk and ANTHROPIC_AUTH_TOKEN to your Halfbill key for Claude Code, or override the OpenAI base URL to https://api.halfbill.uk/v1 in Cursor and add "claude-opus-4-7" as a custom model.

Other Anthropic models

Claude Fable 5.1NewPriority

claude-fable-5-1
−50%
Vendor
Anthropic
Context
200K
Max output
32K
  • Streaming
  • Tool calls
  • Vision
  • Reasoning
  • Structured outputs
  • Prompt caching
Halfbill price · priority routing
$7.50/ 1M in
list $15.00
$37.50/ 1M out
list $75.00
Specs and snippets

Claude Fable 5

claude-fable-5
−50%
Vendor
Anthropic
Context
200K
Max output
32K
  • Streaming
  • Tool calls
  • Vision
  • Reasoning
  • Structured outputs
  • Prompt caching
Halfbill price
$7.50/ 1M in
list $15.00
$37.50/ 1M out
list $75.00
Specs and snippets

Claude Opus 5

claude-opus-5
−50%
Vendor
Anthropic
Context
200K
Max output
32K
  • Streaming
  • Tool calls
  • Vision
  • Reasoning
  • Structured outputs
  • Prompt caching
Halfbill price
$3.75/ 1M in
list $7.50
$18.75/ 1M out
list $37.50
Specs and snippets

Halfbill is an independent service and is not affiliated with, endorsed by, or sponsored by OpenAI or Anthropic. Model names are trademarks of their respective owners.