Create a Message Batch changedapi/messages/batches/create
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Lines−83removed
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1,093
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First seen
14 Aug 2026
this site's first read of the page
Recorded edits15to this page, all time
The whole hunk
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10931093
10941094 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
10951095
1096 - `"claude-sonnet-5-5" or "claude-fable-5-1" or "claude-opus-5-5" or 16 more`
1096 - `"claude-sonnet-5-5"`
10971097
1098 The model that will complete your prompt.
1098 Efficient model for coding and agents
10991099
1100 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
1100 - `"claude-fable-5-1"`
11011101
1102 - `"claude-sonnet-5-5"`
1102 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
11031103
1104 Efficient model for coding and agents
1104 - `"claude-opus-5-5"`
11051105
1106 - `"claude-fable-5-1"`
1106 Powerful intelligence for coding, knowledge work, and long-running agents
11071107
1108 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
1108 - `"claude-mythos-5-1"`
11091109
1110 - `"claude-opus-5-5"`
1110 Our most capable model for cybersecurity and biology research, available through trusted access programs
11111111
1112 Powerful intelligence for coding, knowledge work, and long-running agents
1112 - `"claude-sonnet-5"`
11131113
1114 - `"claude-mythos-5-1"`
1114 Efficient model for coding and agents
11151115
1116 Our most capable model for cybersecurity and biology research, available through trusted access programs
1116 - `"claude-fable-5"`
11171117
1118 - `"claude-sonnet-5"`
1118 Next generation of intelligence for the hardest knowledge work and coding problems
11191119
1120 Efficient model for coding and agents
1120 - `"claude-mythos-5"`
11211121
1122 - `"claude-fable-5"`
1122 Most capable model for cybersecurity and biology research
11231123
1124 Next generation of intelligence for the hardest knowledge work and coding problems
1124 - `"claude-opus-5"`
11251125
1126 - `"claude-mythos-5"`
1126 Powerful intelligence for long-running agents and coding
11271127
1128 Most capable model for cybersecurity and biology research
1128 - `"claude-opus-4-8"`
11291129
1130 - `"claude-opus-5"`
1130 Powerful intelligence for long-running agents and coding
11311131
1132 Powerful intelligence for long-running agents and coding
1132 - `"claude-opus-4-7"`
11331133
1134 - `"claude-opus-4-8"`
1134 Powerful intelligence for long-running agents and coding
11351135
1136 Powerful intelligence for long-running agents and coding
1136 - `"claude-opus-4-6"`
11371137
1138 - `"claude-opus-4-7"`
1138 Powerful intelligence for long-running agents and coding
11391139
1140 Powerful intelligence for long-running agents and coding
1140 - `"claude-sonnet-4-6"`
11411141
1142 - `"claude-opus-4-6"`
1142 Best combination of speed and intelligence
11431143
1144 Powerful intelligence for long-running agents and coding
1144 - `"claude-haiku-4-5"`
11451145
1146 - `"claude-sonnet-4-6"`
1146 Fastest model with near-frontier intelligence
11471147
1148 Best combination of speed and intelligence
1148 - `"claude-haiku-4-5-20251001"`
11491149
1150 - `"claude-haiku-4-5"`
1150 Fastest model with near-frontier intelligence
11511151
1152 Fastest model with near-frontier intelligence
1152 - `"claude-opus-4-5"`
11531153
1154 - `"claude-haiku-4-5-20251001"`
1154 Powerful intelligence for long-running agents and coding
11551155
1156 Fastest model with near-frontier intelligence
1156 - `"claude-opus-4-5-20251101"`
11571157
1158 - `"claude-opus-4-5"`
1158 Powerful intelligence for long-running agents and coding
11591159
1160 Powerful intelligence for long-running agents and coding
1160 - `"claude-sonnet-4-5"`
11611161
1162 - `"claude-opus-4-5-20251101"`
1162 High-performance model for agents and coding
11631163
1164 Powerful intelligence for long-running agents and coding
1164 - `"claude-sonnet-4-5-20250929"`
11651165
1166 - `"claude-sonnet-4-5"`
1166 High-performance model for agents and coding
11671167
1168 High-performance model for agents and coding
1168 - `"claude-mythos-preview"`
11691169
1170 - `"claude-sonnet-4-5-20250929"`
1170 **Deprecated**: Will reach end-of-life on June 30, 2026. Please migrate to claude-mythos-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
11711171
1172 High-performance model for agents and coding
1173
1174 - `"claude-mythos-preview"`
1175
1176 **Deprecated**: Will reach end-of-life on June 30, 2026. Please migrate to claude-mythos-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
1177
1178 New class of intelligence, strongest in coding and cybersecurity
1172 New class of intelligence, strongest in coding and cybersecurity
11791173
11801174 - `string`
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