docs: Update Claude Sonnet 4.6 and Opus 4.6 context windows to 1M (#51695)
morgankrey
created
## Summary
- Update the context window table in `models.md` to reflect that Claude
Sonnet 4.6 and Opus 4.6 now support 1M token context windows (previously
listed as 200k)
- Remove Sonnet 4.5/4.6 from the "may increase in future releases"
callout since the 4.6 models are now at 1M
Release Notes:
- N/A
@@ -83,9 +83,9 @@ A context window is the maximum span of text and code an LLM can consider at onc
| Model | Provider | Zed-Hosted Context Window |
| ----------------- | --------- | ------------------------- |
| Claude Opus 4.5 | Anthropic | 200k |
-| Claude Opus 4.6 | Anthropic | 200k |
+| Claude Opus 4.6 | Anthropic | 1M |
| Claude Sonnet 4.5 | Anthropic | 200k |
-| Claude Sonnet 4.6 | Anthropic | 200k |
+| Claude Sonnet 4.6 | Anthropic | 1M |
| Claude Haiku 4.5 | Anthropic | 200k |
| GPT-5.2 | OpenAI | 400k |
| GPT-5.2 Codex | OpenAI | 400k |
@@ -94,7 +94,7 @@ A context window is the maximum span of text and code an LLM can consider at onc
| Gemini 3.1 Pro | Google | 200k |
| Gemini 3 Flash | Google | 200k |
-> Context window limits for hosted Sonnet 4.5/4.6 and Gemini 3.1 Pro/3 Pro/Flash may increase in future releases.
+> Context window limits for hosted Gemini 3.1 Pro/3 Pro/Flash may increase in future releases.
Each Agent thread and text thread in Zed maintains its own context window.
The more prompts, attached files, and responses included in a session, the larger the context window grows.