Batches changedapi/messages/batches
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Lines−5removed
From line
1,095
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First seen
14 Aug 2026
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Recorded edits13to this page, all time
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from line 1095
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10961096 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
10971097
1098 - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more`
1098 - `"claude-fable-5-1" or "claude-opus-5-5" or "claude-mythos-5-1" or 15 more`
10991099
11001100 The model that will complete your prompt.
11011101
from line 1105
11051105
11061106 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
11071107
1108 - `"claude-opus-5-5"`
1109
1110 Powerful intelligence for coding, knowledge work, and long-running agents
1111
11081112 - `"claude-mythos-5-1"`
11091113
11101114 Our most capable model for cybersecurity and biology research, available through trusted access programs
from line 4676
46724676
46734677 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
46744678
4675 - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more`
4679 - `"claude-fable-5-1" or "claude-opus-5-5" or "claude-mythos-5-1" or 15 more`
46764680
46774681 The model that will complete your prompt.
46784682
from line 4686
46824686
46834687 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
46844688
4689 - `"claude-opus-5-5"`
4690
4691 Powerful intelligence for coding, knowledge work, and long-running agents
4692
46854693 - `"claude-mythos-5-1"`
46864694
46874695 Our most capable model for cybersecurity and biology research, available through trusted access programs
from line 6121
61136121
61146122 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
61156123
6116 - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more`
6124 - `"claude-fable-5-1" or "claude-opus-5-5" or "claude-mythos-5-1" or 15 more`
61176125
61186126 The model that will complete your prompt.
61196127
from line 6131
61236131
61246132 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
61256133
6134 - `"claude-opus-5-5"`
6135
6136 Powerful intelligence for coding, knowledge work, and long-running agents
6137
61266138 - `"claude-mythos-5-1"`
61276139
61286140 Our most capable model for cybersecurity and biology research, available through trusted access programs
from line 7338
73267338
73277339 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
73287340
7329 - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more`
7341 - `"claude-fable-5-1" or "claude-opus-5-5" or "claude-mythos-5-1" or 15 more`
73307342
73317343 The model that will complete your prompt.
73327344
from line 7348
73367348
73377349 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
73387350
7351 - `"claude-opus-5-5"`
7352
7353 Powerful intelligence for coding, knowledge work, and long-running agents
7354
73397355 - `"claude-mythos-5-1"`
73407356
73417357 Our most capable model for cybersecurity and biology research, available through trusted access programs
from line 8507
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84928508 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
84938509
8494 - `"claude-fable-5-1" or "claude-mythos-5-1" or "claude-sonnet-5" or 14 more`
8510 - `"claude-fable-5-1" or "claude-opus-5-5" or "claude-mythos-5-1" or 15 more`
84958511
84968512 The model that will complete your prompt.
84978513
from line 8517
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85028518 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
85038519
8520 - `"claude-opus-5-5"`
8521
8522 Powerful intelligence for coding, knowledge work, and long-running agents
8523
85048524 - `"claude-mythos-5-1"`
85058525
85068526 Our most capable model for cybersecurity and biology research, available through trusted access programs
from line 8749
87298749
87308750 - `server_tool_use: ServerToolUsage or null`
87318751
8732 The number of server tool requests.
8733
8734 - `web_fetch_requests: number`
8735
8736 The number of web fetch tool requests.
8737
8738 default: 0, minimum: 0
8739
8740 - `web_search_requests: number`
8741
8742 The number of web search tool requests.
8743
8744 default: 0, minimum: 0
8745
8746 - `service_tier: "standard" or "priority" or "batch" or null`
8747
8748 If the request used the priority, standard, or batch tier.
8749
8750 - `"standard"`
8751
8752 - `"priority"`
8753
8754 - `"batch"`
8755
8752 The number of server tool r
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