OpenAI compatible API · Attested · Public status
Claude Opus 5 vs DeepSeek: DeepSeek V3.1 Terminus
Compare Claude Opus 5 and DeepSeek: DeepSeek V3.1 Terminus by providers, context, price, and TrustedRouter route support.
Onebase URL to migrate
100sof models and routes
0prompt or output logs. Always.
Compare routesProviders, price, context, and policy posture in one view.
Use auto when uptime mattersKeep a primary model and let fallback handle provider failures.
Same API shapeUse the OpenAI client and set the model you want.
Practical read
DeepSeek: DeepSeek V3.1 Terminus has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V3.1 Terminus has more provider fallback routes, while Claude Opus 5 has the larger context window. Current TrustedRouter probes show DeepSeek: DeepSeek V3.1 Terminus with the lower p50 TTFT.
$31.5/1MClaude Opus 5 cheapest route
$1.281/1MDeepSeek: DeepSeek V3.1 Terminus cheapest route
3238 msClaude Opus 5 measured p50 TTFT
2306 msDeepSeek: DeepSeek V3.1 Terminus measured p50 TTFT
Claude Opus 5DeepSeek: DeepSeek V3.1 Terminus
Model id
anthropic/claude-opus-5deepseek/deepseek-v3.1-terminus
PublisherAnthropicDeepSeek
Context1,000,000 tokens163,840 tokens
Provider routes57
Cheapest route$31.5/1M$1.281/1M
Privacy postureprovider posture variesprovider posture varies
Modes
chat
messages
chat
Claude Opus 5 routes
Production choice
Pick a default model. Keep fallback enabled.
TrustedRouter is useful when you know the model you want, but still need provider rollover, budget limits, usage records, and a prompt path you can verify.
OpenAI clientPython
client = OpenAI(
base_url="https://api.trustedrouter.com/v1",
api_key="sk-tr-v1-..."
)
response = client.chat.completions.create(
model="anthropic/claude-opus-5",
messages=messages,
)