Claude Sonnet 5 vs GPT-6 Sol.
model vs model · prices as of
GPT-6 Sol takes 1 of 5 rounds against Claude Sonnet 5. Both cost $16 per million tokens to run.
AnthropicClaude Sonnet 5
$16/M tokens
Anthropic list price, nothing below it is accounted for · $1.80 per 1,000 pages
1M context · tool calling · reads images
OpenAIwins 1 roundsGPT-6 Sol
$16/M tokens
OpenAI list price, nothing below it is accounted for · $1.80 per 1,000 pages
1.1M context · tool calling · reads images
List price in (lower wins)
$2/M
$2/M
List price out (lower wins)
$10/M
$10/M
Cheapest we can explain (lower wins)
none below list
none below list
Standard price (lower wins)
$16/M
$16/M
Cost per 1,000 pages (lower wins)
$1.80
$1.80
Context
1M tokens
1.1M tokens
Open weights
no
no
Tool calling
yes
yes
Structured output
yes
yes
Reads images
yes
yes
Reasoning
yes
yes
Released
29 Jun 2026
22 Sept 2026
Providers selling it
44
22
Price we measure against
the maker's own
the maker's own
Trains on your prompts (no is better)
no provider to check
no provider to check
Providers selling both · 19
NanoGPT$16 / $6.20
Azure AI Foundry$16 / $16
CrossModel$16 / $16
FastRouter$16 / $16
GitHub Copilot$16 / $16
Jiekou$16 / $16
Kilo Gateway$16 / $16
LLM Gateway$16 / $16
Claude Sonnet 5 then GPT-6 Sol, per million tokens · showing the 8 cheapest of 19
Go further
Add a third or fourth model, or switch the weighting, in the tool.
What moved in the last seven days
- Claude Sonnet 5
Cortecs$2.27 / $11.35 $2.26 / $11.320.2% cheaper · - Claude Sonnet 5
Requesty$2.20 / $11 $2 / $109% cheaper · - Claude Sonnet 5
Opper$2 / $10 $2.20 / $1110% dearer · - Claude Sonnet 5
Kenari$2 / $10 $2.50 / $12.5025% dearer · - Claude Sonnet 5
Nous Portal$1.60 / $8 $2 / $1025% dearer ·
Frequently asked
- Which is cheaper, Claude Sonnet 5 or GPT-6 Sol?
- Neither: both run at $16 per million tokens, three parts input to one part output, read on 23 Sept 2026.
- Where is each one cheapest?
- Claude Sonnet 5: nobody goes below the maker's own price with a reason we can point at, so $16 is the number to beat. GPT-6 Sol: nobody goes below the maker's own price with a reason we can point at, so $16 is the number to beat.
- Can I buy both from one provider?
- Yes. 19 providers sell both: NanoGPT, Azure AI Foundry, CrossModel, FastRouter, GitHub Copilot, Jiekou, and more. The cheapest of them for the two together is NanoGPT.
- Which holds more context?
- GPT-6 Sol, at 1.1M tokens against 1M.
Prices exclude tax and are per million tokens, read 23 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.