Pricing, context window, capabilities, and release date — pulled from each provider's public docs. Both are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.
Both models stream in parallel through your own AIgateway key. Tokens, latency, and cost update as they arrive.
| Claude Opus 4.7 anthropic/claude-opus-4.7 | Claude Sonnet 4.5 anthropic/claude-sonnet-4.5 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Family | Claude 4 | Claude 4 |
| Modality | text | text |
| Context window | 1,000,000 tok | 200,000 tok |
| Max output | 128,000 tok | 8,192 tok |
| Released | 2026-04-16 | 2026-04-13 |
| Input price | $5.00 /1M | $3.00 /1M |
| Output price | $25.00 /1M | $15.00 /1M |
| Cache read | $0.500 /1M | — |
| Tools | yes | yes |
| Streaming | yes | yes |
| Vision | yes | — |
| JSON mode | yes | yes |
| Reasoning | yes | yes |
| Prompt caching | yes | — |
Claude Opus 4.7 is Anthropic's most capable generally available model to date. It is highly autonomous and performs exceptionally well on long-horizon agentic work, knowledge work, vision tasks, and memory tasks.
Claude Sonnet 4.5 is the best coding model to date, with significant improvements across the entire development lifecycle.
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# Try Claude Opus 4.7
client.chat.completions.create(
model="anthropic/claude-opus-4.7",
messages=[{"role":"user","content":"hello"}],
)
# Try Claude Sonnet 4.5 — same client, same key
client.chat.completions.create(
model="anthropic/claude-sonnet-4.5",
messages=[{"role":"user","content":"hello"}],
)