Claude Sonnet 5 pricing & specs

Anthropic · released 2026-06-29 · ● verified 2026-10-11

input / 1M$2.00
output / 1M$10.00
context1M
max output128K

// price history ($/1M tokens)

$11.50
input $/1Moutput $/1M2026-06-30 → 2026-10-11

// cheaper or similar alternatives

modelinoutctxvs Claude Sonnet 5
Gemini 2.5 Flash-Lite$0.10$0.401.05M−95.6%
Claude Haiku 5.5$0.10$0.501M−95%
GPT-6 Luna$0.10$0.501.05M−95%
GLM-5.3-Flash$0.15$0.501M−94.1%
GPT-5.6 Luna$0.20$1.201.05M−88.7%
Claude Sonnet 5 vs Claude Sonnet 5.5 →Claude Sonnet 5 vs Gemini 3.1 Pro Preview →Claude Sonnet 5 vs Gemini 3.1 Pro Preview Custom Tools →Claude Sonnet 5 vs GPT-5.1 Codex Max →Claude Sonnet 5 vs GPT-5.3 Codex →Claude Sonnet 5 vs GPT-5.3 Codex Spark →

// price by host

hostin $/1Mout $/1M
Amazon Bedrock$2.00$10.00
Azure$2.00$10.00
Google Vertex AI$2.00$10.00

// faq

How much does Claude Sonnet 5 cost?

Claude Sonnet 5 costs $2.00 per million input tokens and $10.00 per million output tokens. At 50M input and 10M output tokens per month that is about $200.

What is the context window of Claude Sonnet 5?

1M tokens, with up to 128K output tokens per request.

Does Claude Sonnet 5 support prompt caching?

Yes. Cached input tokens cost $0.20 per million and cache writes cost $2.50 per million.

What are cheaper alternatives to Claude Sonnet 5?

Gemini 2.5 Flash-Lite ($0.10 in / $0.40 out), Claude Haiku 5.5 ($0.10 in / $0.50 out), GPT-6 Luna ($0.10 in / $0.50 out) offer the same input types and capabilities for less.

// spec sheet

input / 1M
$2.00
output / 1M
$10.00
cache read / 1M
$0.20
cache write / 1M
$2.50
blended (3:1)
$4.00
context
1M
max output
128K
input types
text · image · pdf
reasoning
yes
tool calling
yes
structured output
yes
open weights
no
knowledge cutoff
2026-01-31
price source
Anthropic

report a data error

// cost calculator

modelin $/1Mout $/1M= monthly
Gemini 2.5 Flash-Lite$0.10$0.40$9.00
Claude Haiku 5.5$0.10$0.50$10.00
GPT-6 Luna$0.10$0.50$10.00
Claude Sonnet 5$2.00$10.00$200

Base-tier list prices. Long-context tiers, caching and batch discounts are not included.