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AnthropicReleased June 30, 2026

Claude Sonnet 5 (xhigh)

Anthropic · Released June 30, 2026

Intelligence score

—

At a glance

Intelligence
—
Speed
81.6tokens/sec
Latency
41.08stime to first token
Input price
$2.00per 1M tokens
Output price
$10.00per 1M tokens
Context window
5tokens
Parameters
—

Summary

Comparison summary

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) generates output at 81.6 tokens per second (based on Anthropic's API), which is above average compared to other reasoning models in a similar price tier (median: 81.2 t/s). Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) costs $2.00 per 1M input tokens (somewhat higher than average, median: $1.50) and $10.00 per 1M output tokens (somewhat higher than average, median: $8.40), based on Anthropic's API.

Specifications

Technical specifications

Model nameClaude Sonnet 5 (xhigh)
ProviderAnthropic
Release dateJune 30, 2026
Intelligence score—
Speed81.6 tokens/sec
Latency (TTFT)41.08s
Input price$2.00 / 1M tokens
Output price$10.00 / 1M tokens
Context window5 tokens
Parameters—
ReasoningYes
Input modalitiestext, image
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: claude-sonnet-5-xhigh

Pricing

Token prices

Price per 1M tokens

Claude Sonnet 5 (xhigh), as listed in the catalog record

Input $2.00 and output $10.00 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$2.00
  2. Output$10.00

Model Intelligence legacy profile: claude-sonnet-5-xhigh

FAQ · 16

Frequently asked questions

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) was released on June 30, 2026.

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) was created by Anthropic.

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) generates output at 81.6 tokens per second (based on Anthropic's API), which is above average compared to other reasoning models in a similar price tier (median: 81.2 t/s).

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) has a time to first token (TTFT) of 41.08s (based on Anthropic's API), which is at the higher end compared to other reasoning models in a similar price tier (median: 2.77s).

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) costs $2.00 per 1M input tokens (somewhat higher than average, median: $1.50) and $10.00 per 1M output tokens (somewhat higher than average, median: $8.40), based on Anthropic's API.

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) costs $2.00 per 1M input tokens and $10.00 per 1M output tokens (based on Anthropic's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $1.54 per 1M tokens. Pricing may vary by provider.

Yes, Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) supports text and image input.

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) supports text output.

Yes, Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) supports image input and can analyze, describe, and answer questions about images.

Yes, Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) is multimodal. It can process text and image input and generate text output.

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.

No, Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) is proprietary. The model weights are not publicly available.

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) is a proprietary model and Anthropic has not disclosed the model size or parameter count.

Yes, Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) is available via API through 1 provider.

Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort) is available through 1 API provider.