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chore: Add Opus 4.6 with 1M context window [OPUS-46] (#9301)

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opus 4.6 1M version
This commit is contained in:
Devansh Jain
2026-02-05 10:56:54 -08:00
committed by Caren Thomas
parent 34159ffa21
commit 644f7b9d5d
3 changed files with 24 additions and 4 deletions
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14
letta/llm_api/anthropic_client.py
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@@ -71,7 +71,7 @@ class AnthropicClient(LLMClientBase):
else:
betas.append("interleaved-thinking-2025-05-14")
# 1M context beta for Sonnet 4/4.5 when enabled
# 1M context beta for Sonnet 4/4.5 or Opus 4.6 when enabled
try:
from letta.settings import model_settings
@@ -79,6 +79,8 @@ class AnthropicClient(LLMClientBase):
llm_config.model.startswith("claude-sonnet-4") or llm_config.model.startswith("claude-sonnet-4-5")
):
betas.append("context-1m-2025-08-07")
elif model_settings.anthropic_opus_1m and llm_config.model.startswith("claude-opus-4-6"):
betas.append("context-1m-2025-08-07")
except Exception:
pass
@@ -118,7 +120,7 @@ class AnthropicClient(LLMClientBase):
else:
betas.append("interleaved-thinking-2025-05-14")
# 1M context beta for Sonnet 4/4.5 when enabled
# 1M context beta for Sonnet 4/4.5 or Opus 4.6 when enabled
try:
from letta.settings import model_settings
@@ -126,6 +128,8 @@ class AnthropicClient(LLMClientBase):
llm_config.model.startswith("claude-sonnet-4") or llm_config.model.startswith("claude-sonnet-4-5")
):
betas.append("context-1m-2025-08-07")
elif model_settings.anthropic_opus_1m and llm_config.model.startswith("claude-opus-4-6"):
betas.append("context-1m-2025-08-07")
except Exception:
pass
@@ -291,7 +295,7 @@ class AnthropicClient(LLMClientBase):
else:
betas.append("interleaved-thinking-2025-05-14")
# 1M context beta for Sonnet 4/4.5 when enabled
# 1M context beta for Sonnet 4/4.5 or Opus 4.6 when enabled
try:
from letta.settings import model_settings
@@ -299,6 +303,8 @@ class AnthropicClient(LLMClientBase):
llm_config.model.startswith("claude-sonnet-4") or llm_config.model.startswith("claude-sonnet-4-5")
):
betas.append("context-1m-2025-08-07")
elif model_settings.anthropic_opus_1m and llm_config.model.startswith("claude-opus-4-6"):
betas.append("context-1m-2025-08-07")
except Exception:
pass
@@ -849,6 +855,8 @@ class AnthropicClient(LLMClientBase):
and (model.startswith("claude-sonnet-4") or model.startswith("claude-sonnet-4-5"))
):
betas.append("context-1m-2025-08-07")
elif model and model_settings.anthropic_opus_1m and model.startswith("claude-opus-4-6"):
betas.append("context-1m-2025-08-07")
except Exception:
pass