Claude Sonnet 4.5 vs Claude Sonnet 4.6.
model vs model · prices as of
Claude Sonnet 4.5 and Claude Sonnet 4.6 split the 5 rounds this table counts: the two list price rows, the cheapest price we can explain, the standard price and context. The weighting you pick decides the rest.
AnthropicClaude Sonnet 4.5
$20.61/M tokens
cheapest we can explain, at Poe · $2.32 per 1,000 pages
1M context · tool calling · reads images
AnthropicClaude Sonnet 4.6
$20.61/M tokens
cheapest we can explain, at Poe · $2.32 per 1,000 pages
1M context · tool calling · reads images
List price in (lower wins)
$3/M
$3/M
List price out (lower wins)
$15/M
$15/M
Cheapest we can explain (lower wins)
$20.61/M at Poe
$20.61/M at Poe
Standard price (lower wins)
$24/M
$24/M
Cost per 1,000 pages (lower wins)
$2.32
$2.32
Context
1M tokens
1M tokens
Open weights
no
no
Tool calling
yes
yes
Structured output
yes
yes
Reads images
yes
yes
Reasoning
yes
yes
Released
29 Sept 2025
17 Feb 2026
Providers selling it
39
51
Price we measure against
the maker's own
the maker's own
Trains on your prompts (no is better)
not stated
not stated
Providers selling both · 36
Poe$20.61 / $20.61
Jiekou$22.80 / $22.80
302.AI$24 / $24
Abacus$24 / $24
Amazon Bedrock$24 / $24- Anthropic$24 / $24
Atlas Cloud$24 / $24
Azure AI Foundry$24 / $24
Claude Sonnet 4.5 then Claude Sonnet 4.6, per million tokens · showing the 8 cheapest of 36
Go further
Add a third or fourth model, or switch the weighting, in the tool.
What moved in the last seven days
- Claude Sonnet 4.5
Nous Portal$2.40 / $12 $3 / $1525% dearer · - Claude Sonnet 4.6Nous Portal$2.40 / $12 $3 / $1525% dearer ·
- Claude Sonnet 4.5
Requesty$3.30 / $16.50 $3 / $159% cheaper · - Claude Sonnet 4.6Requesty$3 / $15 $3.30 / $16.5010% dearer ·
Frequently asked
- Which is cheaper, Claude Sonnet 4.5 or Claude Sonnet 4.6?
- Neither: both run at $20.61 per million tokens, three parts input to one part output, read on 16 Sept 2026.
- Where is each one cheapest?
- Claude Sonnet 4.5: $20.61 at Poe. Claude Sonnet 4.6: $20.61 at Poe.
- Can I buy both from one provider?
- Yes. 36 providers sell both: Poe, Jiekou, 302.AI, Abacus, Amazon Bedrock, Anthropic, and more. The cheapest of them for the two together is Poe.
- Which holds more context?
- Both hold 1M tokens in one call.
Prices exclude tax and are per million tokens, read 16 Sept 2026 from each provider's own catalog. The standard price blends three parts input to one part output; a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.