AI Rate Card

Claude Sonnet 5 vs GPT-5.6 Luna: API price and specs

GPT-5.6 Luna is 90% cheaper than Claude Sonnet 5 on input price.

GPT-5.6 Luna is 88% cheaper than Claude Sonnet 5 on output price.

GPT-5.6 Luna is 89% cheaper than Claude Sonnet 5 on a 1M-in / 200k-out workload.

GPT-5.6 Luna has a 5% larger context than Claude Sonnet 5.

FieldClaude Sonnet 5GPT-5.6 Luna
Lowest input, per 1M$1.00 +900%$0.10
Median input, per 1M$2.00 +900%$0.20
Lowest output, per 1M$5.00 +733.3%$0.60
Median output, per 1M$10.00 +733.3%$1.20
Lowest unit price——
Cost of 1M in + 200k out$2.00 +809.1%$0.22
Context1M +4.8%1.1M
Max output128K128K
Providers3328 +15.2%
RegionsAPAC, AU, EU, GLOBAL, IN, JP, USEU, GLOBAL, IN, US
Acceptsapplication/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, textapplication/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text
Returnstexttext
TypeText modelsText models
Free optionnono
Cheapest provideropenrouteropenrouter

Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.

Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.

Providers selling both

302ai, abacus, aihubmix, amazon-bedrock, azure, azure-cognitive-services, cortecs, digitalocean, edenai, fastrouter, github-copilot, impossibl, jiekou, kenari, kilo, nearai, ofox, opencode, openrouter, orcarouter, perplexity-agent, requesty, standardcompute, trustedrouter, vercel, zenmux

Frequently asked questions

Which is cheaper, Claude Sonnet 5 or GPT-5.6 Luna?

GPT-5.6 Luna is 90% cheaper than Claude Sonnet 5 on input price. GPT-5.6 Luna is 88% cheaper than Claude Sonnet 5 on output price. GPT-5.6 Luna is 89% cheaper than Claude Sonnet 5 on a 1M-in / 200k-out workload.

Which has the larger context, Claude Sonnet 5 or GPT-5.6 Luna?

Claude Sonnet 5: 1M tokens; GPT-5.6 Luna: 1.1M tokens.

Where can I use both Claude Sonnet 5 and GPT-5.6 Luna?

302ai, abacus, aihubmix, amazon-bedrock, azure, azure-cognitive-services, cortecs, digitalocean, edenai, fastrouter, github-copilot, impossibl, jiekou, kenari, kilo, nearai, ofox, opencode, openrouter, orcarouter, perplexity-agent, requesty, standardcompute, trustedrouter, vercel, zenmux