AnthropicText / ChatClaude Opus 4.7 API: Anthropic's most capable model for deep work
Claude Opus 4.7 via the ApexApi gateway
Claude Opus 4.7 is Anthropic's flagship — excellent at careful long-form reasoning, agentic coding, and following nuanced instructions, with a large context window for whole-codebase and long-document work. Call it via ApexApi's unified API.
Claude Opus 4.7 is served through ApexApi's unified, OpenAI-compatible API — one key, one format, with smart routing and automatic failover. Provider: Anthropic.
Why Claude Opus 4.7
Deep reasoning
Careful, structured analysis for complex, high-stakes tasks.
Agentic coding
Strong multi-file code reasoning, tool use, and long autonomous runs.
Large context
Process long documents and large codebases in a single request.
Specifications
- Modality
- chat
- Context window
- 1000K tokens
- Max output
- 128K tokens
- Streaming
- Yes
- Tool / function calling
- Yes
- Vision input
- Yes
Claude Opus 4.7 pricing
Pay-per-use — no subscription, no minimums. Buy credits and pay only for what you call. Transparent, per-call pricing across every model.
Getting started with Claude Opus 4.7
OpenAI-compatible — point your client at ApexApi, swap your key, and call it. No new SDK to learn.
from openai import OpenAI
client = OpenAI(
base_url="https://api.apexapi.dev/v1",
api_key="<YOUR_APEXAPI_KEY>",
)
response = client.chat.completions.create(
model="anthropic/claude-opus-4.7",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)Claude Opus 4.7 use cases
What teams build with Claude Opus 4.7 on ApexApi.
Software engineering
Whole-repo reasoning, refactors, and autonomous coding agents.
Research & analysis
Long-document synthesis with careful, source-grounded reasoning.
Enterprise assistants
Policy-following assistants for legal, financial, and technical work.
Claude Opus 4.7 vs other models
How it compares — and on ApexApi you can switch between any of them with a single string change, same key, same endpoint.
Claude Opus 4.7 vs GPT-5.5
GPT-5.5 is a broad multimodal generalist with strong tool orchestration; Opus 4.7 specializes in careful long-form reasoning and agentic coding.
Learn more about GPT-5.5 API →Claude Opus 4.7 vs Claude Sonnet 4.6
Sonnet 4.6 is the faster, cheaper sibling for high-volume production; Opus 4.7 is the deepest-reasoning option.
Learn more about Claude Sonnet 4.6 API →Claude Opus 4.7 vs Gemini 3.1 Pro Preview
Gemini 3.1 Pro excels at native multimodality; Opus 4.7 excels at long-form text reasoning and code.
Learn more about Gemini 3.1 Pro Preview API →Why build on ApexApi
One API, every model
OpenAI-compatible — swap the base URL and key, keep your code. Call 14+ providers and hundreds of models through a single integration.
Smart routing & failover
Per-model provider chains with automatic failover. If one provider degrades, requests route to the next — your app stays up.
Pay-per-use, no lock-in
Buy credits, pay only for what you call. No subscriptions, no minimums. Switch models anytime with a single string change.
Claude Opus 4.7 API — FAQ
How do I use the Claude Opus 4.7 API?
Create an ApexApi key, then point your client at https://api.apexapi.dev/v1 and use the model slug. Send a request to /v1/chat/completions with the model slug — the API is OpenAI-compatible, so most OpenAI SDKs work by changing the base URL and key.
Is the Claude Opus 4.7 API OpenAI-compatible?
Yes. ApexApi exposes Claude Opus 4.7 through the same OpenAI-compatible interface used across the whole catalog — swap the base URL and API key and keep your existing code.
How much does Claude Opus 4.7 cost on ApexApi?
Pay-per-use — see the live price in the Pricing section above. There's no subscription or minimum; you buy credits and pay only for what you call.
Can I switch from Claude Opus 4.7 to another model later?
Yes — change a single string (the model slug) to call any other model in the catalog through the same endpoint and key. No re-integration.
Ready to build with Claude Opus 4.7?
One API key. Every major AI model. Pay only for what you use.
Get your API key — free to start