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Fastest Claude Opus 5 (Fast) Inference Providers

Ranks providers by estimated time to return 500 tokens, combining the wait for the first token with output speed.

Median input price:
$10 / 1M
Median output price:
$50 / 1M
Median cache price:
$1 / 1M

Fastest response endpoint ranking

Fastest Claude Opus 5 (Fast) Inference Providers
RankProvider / routePricingBenchmarksAPI support
#1Provider / route
1M contextunknown128K max output
Pricing
Input
$10 / 1M
Output
$50 / 1M
Cache
$1 / 1M
Blended
$23.3333 / 1M
Benchmarks
Speed
7.26 s
TTFT
2.40 s
TPS
103.0 tok/s
Uptime
100.00%
API support
  • Tool calling
  • Tool choice
  • Structured output
  • Parallel calls

Endpoint data fetched .

Claude Opus 5 (Fast) endpoint guide

How to interpret the Fastest Claude Opus 5 (Fast) Inference Providers

1 of 1 Claude Opus 5 (Fast) endpoint currently have the published data required for this ranking. Anthropic leads at 7.26 s via anthropic. The table keeps unranked routes visible so missing measurements do not look like missing provider availability.

How complete response time is ranked

The fastest ranking estimates a 500-token answer by adding the recent median first-token wait to 500 divided by median output throughput. It represents an example complete response, not a guarantee for every prompt or request size.

Compare Anthropic with the next option

Only 1 route currently qualifies, so the rank alone provides limited choice. Review every visible endpoint for price, speed, uptime, context length, and route-specific configuration.

Use the route, not only the provider name

Claude Opus 5 (Fast) has 1 published provider option, and performance data is matched to each exact OpenRouter routing tag. Different quantization, context, regional deployment, or provider configuration can change price and behavior even when the underlying model name is identical.