Claude Opus 5 pricing

Claude Opus 5, Flagship-tier from inference.net, costs $5.00 per 1M input tokens and $25.00 per 1M output tokens.

verified at the provider's own pricing page

Input$5.00per 1M tokens
Output$25.00per 1M tokens
Context window1Mtokens
TierFlagshipinference.net

Price your own workload against Claude Opus 5 in the calculator →

Specs and pricing

Providerinference.net
TierFlagship
Context window1M tokens
Max output128K tokens
Input price$5.00 / 1M tokens
Output price$25.00 / 1M tokens
Cache read$0.50 / 1M tokens
Modalitiestext

Note. Inference.net gateway price for Claude Opus 5 (Anthropic), converted from the site's published per-token rate (costInputPerToken=0.000005, costOutputPerToken=0.000025 USD/token) to USD per 1M tokens: $5.0/1M input, $25.0/1M output, $0.5/1M cache read.

What it costs at realistic volumes

Assuming a 4:1 input:output token ratio, a common shape for chat and RAG-style workloads:

Volume (4:1 in:out ratio)Input costOutput costTotal / month
1,000,000 in / 250,000 out$5.00$6.25$11.25
10,000,000 in / 2,500,000 out$50.00$62.50$112.50
100,000,000 in / 25,000,000 out$500.00$625.00$1,125

Cheaper alternatives

Same tier (Flagship), a different provider, and a lower blended cost at the 4:1 ratio used above:

ModelProvider$/1M in$/1M outAt the 4:1 ratio
Qwen3 235B A22B Instruct 2507Novita AI$0.09$0.5897.9% cheaper blended
GPT-OSS 120BGroq$0.15$0.6097.3% cheaper blended
Qwen3 235B-A22B (2507)Parasail$0.14$0.8097% cheaper blended
Llama 4 MaverickTogether AI$0.27$0.8595.7% cheaper blended
Llama 4 Maverick InstructNovita AI$0.27$0.8595.7% cheaper blended