Alternatives to

Claude Opus 5.5 and what to use instead

For pulling data out of documents, Claude Opus 5.5 scores 90 and costs $20.00 per 1,000 documents. Here’s what beats it on price, on quality, or on privacy.

Cheaper at similar quality

At least 30% cheaper and within 5 points.

gemini-4-argon.app
Gemini 4 ArgonGoogleAbout 50% cheaper per document, and 7 points stronger.$10.00 per 1,000 documents · score 97Compare side by side →

Better at a similar price

At least 5 points stronger and no more than 20% dearer.

gemini-4-argon.app
Gemini 4 ArgonGoogleAbout 50% cheaper per document, and 7 points stronger.$10.00 per 1,000 documents · score 97Compare side by side →

Open weights you can host

Ranked by value: quality for the money.

glm-5.3-flash.app
GLM-5.3-FlashZ.ai · open weightsAbout 97% cheaper per document, and 23 points weaker.$0.65 per 1,000 documents · score 67Compare side by side →
kimi-k3.app
Kimi K3Moonshot AI · open weightsAbout 25% cheaper per document, and 17 points weaker.$15.00 per 1,000 documents · score 73Compare side by side →
glm-5.3.app
GLM-5.3Z.ai · open weightsAbout 70% cheaper per document, and 23 points weaker.$5.96 per 1,000 documents · score 67Compare side by side →

Scores are provisional (Arena and Epoch AI) and prices are list prices. Rankings never take money into account. Thresholds are in the methodology.

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