token-counting changedbuild-with-claude/token-counting
Nearest release: v2.1.239, published 2 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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Lines+4added
Lines−2removed
From line
516
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14 Aug 2026
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Recorded edits18to this page, all time
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from line 516, old and new numbered
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from line 516
516516
517517 ```python Python
518518 import base64
519 import httpx
519 import httpx2
520520
521521 image_url = "https://platform.claude.com/docs/images/vision-example.jpg"
522522 image_media_type = "image/jpeg"
523 image_data = base64.standard_b64encode(httpx.get(image_url).content).decode("utf-8")
523 image_data = base64.standard_b64encode(httpx2.get(image_url).content).decode("utf-8")
524524
525525 client = anthropic.Anthropic()
526526
from line 771
771771```json Output
772772{ "input_tokens": 1028 }
773773```
774
775An embedded image block that sets [`"oversized_image": "error"`](https://platform.claude.com/docs/en/build-with-claude/vision-coordinates#oversized-image-error) is rejected at count time exactly as the Messages API would reject it.
774776
775777### Count tokens in messages with thinking
776778
No line in this hunk matches that.