Model Library
AnthropicReleased June 30, 2026Claude Sonnet 5 (low)
Anthropic · Released June 30, 2026
Intelligence score
—
At a glance
- Intelligence
- —
- Speed
- 72.4tokens/sec
- Latency
- 1.93stime 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, Low Effort) generates output at 72.4 tokens per second (based on Anthropic's API), which is below average compared to other reasoning models in a similar price tier (median: 81.2 t/s). Claude Sonnet 5 (Adaptive Reasoning, Low 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 name | Claude Sonnet 5 (low) |
|---|---|
| Provider | Anthropic |
| Release date | June 30, 2026 |
| Intelligence score | — |
| Speed | 72.4 tokens/sec |
| Latency (TTFT) | 1.93s |
| Input price | $2.00 / 1M tokens |
| Output price | $10.00 / 1M tokens |
| Context window | 5 tokens |
| Parameters | — |
| Reasoning | Yes |
| Input modalities | text, image |
| Output modalities | — |
| Open weights | No |
| License | — |
| API availability | — |
| Source | Model Intelligence legacy profile: claude-sonnet-5-low |
Pricing
Token prices
Price per 1M tokens
Claude Sonnet 5 (low), as listed in the catalog record
- Input$2.00
- Output$10.00
| Token type | Price per 1M |
|---|---|
| Input | $2.00 |
| Output | $10.00 |
Model Intelligence legacy profile: claude-sonnet-5-low
FAQ · 16
Frequently asked questions
Claude Sonnet 5 (Adaptive Reasoning, Low Effort) was released on June 30, 2026.
Claude Sonnet 5 (Adaptive Reasoning, Low Effort) was created by Anthropic.
Claude Sonnet 5 (Adaptive Reasoning, Low Effort) generates output at 72.4 tokens per second (based on Anthropic's API), which is below average compared to other reasoning models in a similar price tier (median: 81.2 t/s).
Claude Sonnet 5 (Adaptive Reasoning, Low Effort) has a time to first token (TTFT) of 1.93s (based on Anthropic's API), which is better than average compared to other reasoning models in a similar price tier (median: 2.77s).
Claude Sonnet 5 (Adaptive Reasoning, Low 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, Low 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, Low 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, Low Effort) supports text and image input.
Claude Sonnet 5 (Adaptive Reasoning, Low Effort) supports text output.
Yes, Claude Sonnet 5 (Adaptive Reasoning, Low Effort) supports image input and can analyze, describe, and answer questions about images.
Yes, Claude Sonnet 5 (Adaptive Reasoning, Low Effort) is multimodal. It can process text and image input and generate text output.
Claude Sonnet 5 (Adaptive Reasoning, Low 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, Low Effort) is proprietary. The model weights are not publicly available.
Claude Sonnet 5 (Adaptive Reasoning, Low Effort) is a proprietary model and Anthropic has not disclosed the model size or parameter count.
Yes, Claude Sonnet 5 (Adaptive Reasoning, Low Effort) is available via API through 1 provider.
Claude Sonnet 5 (Adaptive Reasoning, Low Effort) is available through 1 API provider.