Message Batches API changedbuild-with-claude/batch-processing
Nearest release: v2.1.307, published an hour 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.
Recorded here
Lines+5added
Lines−5removed
From line
387
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits22to this page, all time
The whole hunk
from line 387, old and new numbered
/
from line 387
387387 {
388388 custom_id: "my-first-request",
389389 params: {
390 model: "claude-opus-5-5",
390 model: Anthropic::Model::CLAUDE_OPUS_5_5,
391391 max_tokens: 1024,
392392 messages: [
393393 { role: "user", content: "Hello, world" }
from line 397
397397 {
398398 custom_id: "my-second-request",
399399 params: {
400 model: "claude-opus-5-5",
400 model: Anthropic::Model::CLAUDE_OPUS_5_5,
401401 max_tokens: 1024,
402402 messages: [
403403 { role: "user", content: "Hi again, friend" }
from line 1492
14921492 {
14931493 custom_id: "my-first-request",
14941494 params: {
1495 model: "claude-opus-5-5",
1495 model: Anthropic::Model::CLAUDE_OPUS_5_5,
14961496 max_tokens: 1024,
14971497 system: [
14981498 {
from line 1513
15131513 {
15141514 custom_id: "my-second-request",
15151515 params: {
1516 model: "claude-opus-5-5",
1516 model: Anthropic::Model::CLAUDE_OPUS_5_5,
15171517 max_tokens: 1024,
15181518 system: [
15191519 {
from line 1770
17701770 {
17711771 custom_id: "long-form-request",
17721772 params: {
1773 model: "claude-opus-5-5",
1773 model: Anthropic::Model::CLAUDE_OPUS_5_5,
17741774 max_tokens: 300_000,
17751775 messages: [
17761776 { role: "user", content: "Write a comprehensive technical guide to building distributed systems, covering architecture patterns, consistency models, fault tolerance, and operational best practices." }
No line in this hunk matches that.