Claude Sonnet 4.6 vs Kimi K3.
model vs model · prices as of
Kimi K3 takes 2 of 5 rounds against Claude Sonnet 4.6. It is also the cheaper of the two to run, at $6.20 per million tokens against $20.61.
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
$6.20/M at NanoGPT
Standard price (lower wins)
$24/M
$24/M
Cost per 1,000 pages (lower wins)
$2.32
$1.21
Context
1M tokens
1M tokens
Open weights
no
yes
Tool calling
yes
yes
Structured output
yes
yes
Reads images
yes
yes
Reasoning
yes
yes
Released
17 Feb 2026
16 Jul 2026
Providers selling it
51
81
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
NanoGPT$24 / $6.20
Inference.net$24 / $17.25
Nous Portal$24 / $17.25
TrustedRouter$25.32 / $16.46
Poe$20.61 / $24.24
OpenRouter$24 / $21.23
FastRouter$24 / $21.60
Merge Gateway$24 / $22.70
Claude Sonnet 4.6 then Kimi K3, 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 4.6Nous Portal$2.40 / $12 $3 / $1525% dearer ·
- Kimi K3Inference.net$3.95 / $19.80 $2.10 / $10.9545% cheaper ·
- Kimi K3
io.net Intelligence$3.10 / $15.50 $3.15 / $15.762% dearer · - Kimi K3
Morph$2.43 / $13.58 $2.25 / $12.607% cheaper · - Kimi K3Nous Portal$1.87 / $9.36 $2.10 / $10.9515% dearer ·
- Kimi K3OpenRouter$2.34 / $11.70 $2.65 / $13.2813% dearer ·
- Kimi K3
Sail Research$2.34 / $11.70 $2.65 / $13.2813% dearer · - Claude Sonnet 4.6
Requesty$3 / $15 $3.30 / $16.5010% dearer ·
Frequently asked
- Which is cheaper, Claude Sonnet 4.6 or Kimi K3?
- Kimi K3, at $6.20 per million tokens against $20.61 for Claude Sonnet 4.6, three parts input to one part output, read on 16 Sept 2026.
- Where is each one cheapest?
- Claude Sonnet 4.6: $20.61 at Poe. Kimi K3: $6.20 at NanoGPT.
- Can I buy both from one provider?
- Yes. 36 providers sell both: NanoGPT, Inference.net, Nous Portal, TrustedRouter, Poe, OpenRouter, and more. The cheapest of them for the two together is NanoGPT.
- Which holds more context?
- Kimi K3, at 1M tokens against 1M.
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.