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Anthropic: Claude Sonnet 5

anthropic/claude-sonnet-5
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The best combination of speed and intelligence in the Claude lineup.
ModalitiesTextImageText
In / out price$0.800 / $4.00 per 1M
Context1M
Released—
ProvidersPricingPerformanceAvailabilityAppsActivityFAQExplore

Providers

Where this model runs, and what each route costs. Requests are sent to a healthy provider automatically; if one errors, the gateway retries against another serving the same model.

ProviderInput /MOutput /MCache read /MLatencyThroughput
Anthropic$0.800$4.00$0.20028.51s95 tps

Capabilities (19)

StreamingTool callingParallel tool callsStructured outputThinkingReasoningSystem promptVisionMultilingualPrompt cachingAutomatic CachingBatchWeb searchWeb FetchCode executionComputer useBrowser UseBash ToolText Editor Tool

Supported parameters (8)

max_tokensstreamtoolstool_choiceeffortinference_georesponse_formatreasoning_effort

Any other parameter you send is ignored rather than rejected.

Pricing

What this model costs to run, next to the rate it is posted at. Caching and discounts mean the price actually paid is often below the listed one.

Effective input price
$0.800
/M tokens · listed $2.00
Effective output price
$4.00
/M tokens · listed $10.00
RateListedChargedUnit
Input$2.00$0.800per 1M tokens
Output$10.00$4.00per 1M tokens
Cache read$0.200$0.200per 1M tokens
Cache write$2.50$2.50per 1M tokens
Cache write (1h)$4.00$4.00per 1M tokens
UTC

Performance

Throughput is how fast the model writes (tokens per second — higher is better). Latency is total round-trip time (lower is better). TTFT is time-to-first-token — how long before you see anything appear (lower is better). Throughput and TTFT are measured on streaming requests, which are the only ones with a first-token moment to time.

Throughput
95tok/s
P50, streaming requests
Latency
28.51s
P50, end to end
UTC

Throughput

P99187677 tok/s
P95322 tok/s
P5094 tok/s

Latency

P5029.1s
P7574.5s
P95229.6s
P99408.2s

Time to first token

P505056ms
P9572.2s

Cache hit rate

1.19%
Share of input tokens served from the prompt cache over the window.

Availability

The share of requests to this model that completed successfully. When an upstream provider errors, the gateway retries against another provider serving the same model, so a single provider incident does not necessarily show up here.

Success rate (30d)
78.60%
over 30,614 requests
Days with traffic
30
of the last 30

Days are UTC days. Days with no requests are omitted rather than drawn at 100% — no traffic is not evidence of availability.

Apps

Public apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for.

  1. 1.Oxyy Tester92.2K tokens
  2. 2.Agnai.Chat 20.8K tokens

Activity

Token volume and request traffic to this model over time. Daily totals, UTC.

Prompt608.5M
Reasoning3.9M
Completion80.6M

Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.

Frequently asked questions

What is Claude Sonnet 5?
The best combination of speed and intelligence in the Claude lineup.
How much does Claude Sonnet 5 cost?
Claude Sonnet 5 costs $2.00 per million input tokens and $10.00 per million output tokens. Cached prompt tokens are billed at $0.200 per million. You pay per request, with no subscription.
What is the context length of Claude Sonnet 5?
Claude Sonnet 5 has a context window of 1,000,000 tokens, and can return up to 128,000 tokens in one response.
Does Claude Sonnet 5 support tool calling and structured outputs?
Yes — Claude Sonnet 5 supports both tool calling and structured outputs.
What inputs and outputs does Claude Sonnet 5 support?
Claude Sonnet 5 accepts text, image as input and returns text.
What other models does Anthropic have?
Anthropic also offers Claude Fable 5, Claude Fable 5.1, Claude Haiku 4.5, Claude Opus 4.5 through Oxyy.
When was Claude Sonnet 5 released?
No release date is published for Claude Sonnet 5.

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