diff --git a/CLAUDE.md b/CLAUDE.md
index 824708f..b658057 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -79,6 +79,8 @@ soup train --config soup.yaml
 
 **Confirmation prompts:** `commands/train.py` and `commands/sweep.py` ask for confirmation before starting. Skip with `--yes` / `-y`.
 
+**Version:** `cli.py` `version()` command supports `--full` flag that shows version, Python version, GPU backend, and installed optional extras in one line.
+
 ## Code Conventions
 
 - **Line length:** 100 chars (ruff enforced)
@@ -107,14 +109,14 @@ soup train --config soup.yaml
 
 ## Tests
 
-Test suite (~321 tests) lives in `tests/`:
+Test suite lives in `tests/`:
 
 | File | Covers |
 |---|---|
 | `test_config.py` | Config loading, validation, defaults |
 | `test_data.py` | Format detection, conversion, validation |
 | `test_gpu.py` | GPU detection, batch size estimation |
-| `test_cli.py` | CLI commands basic validation |
+| `test_cli.py` | CLI commands, version --full |
 | `test_tracker.py` | SQLite experiment tracker |
 | `test_runs.py` | `soup runs` CLI commands |
 | `test_data_tools.py` | Data convert/merge/dedup/stats commands |
diff --git a/README.md b/README.md
index f36ad4e..309005e 100644
--- a/README.md
+++ b/README.md
@@ -349,6 +349,17 @@ soup doctor
 
 Shows: Python version, GPU availability, all dependency versions, and fix suggestions.
 
+## Version Info
+
+```bash
+# Basic version
+soup version
+
+# Full system info (useful for bug reports)
+soup version --full
+# → soup v0.3.2 | Python 3.11.5 | CUDA 12.1 | extras: serve, data
+```
+
 ## Error Handling
 
 Soup shows friendly error messages by default (2-3 lines with a fix suggestion). For full tracebacks:
@@ -500,7 +511,7 @@ soup runs show <run_id>                       Run details + loss graph
 soup runs compare <run_1> <run_2>             Compare two runs
 soup doctor                                   Check environment
 soup quickstart [--dry-run]                   Full demo
-soup version                                  Show version
+soup version [--full]                         Show version (--full: system info)
 soup --verbose <command>                      Full traceback on errors
 ```
 
diff --git a/pyproject.toml b/pyproject.toml
index 23f8dde..5544208 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "soup-cli"
-version = "0.3.1"
+version = "0.3.2"
 description = "Fine-tune LLMs in one command. No SSH, no config hell."
 readme = "README.md"
 license = "MIT"
diff --git a/soup_cli/__init__.py b/soup_cli/__init__.py
index d4540e5..caa0eae 100644
--- a/soup_cli/__init__.py
+++ b/soup_cli/__init__.py
@@ -1,3 +1,3 @@
 """Soup CLI — Fine-tune LLMs in one command."""
 
-__version__ = "0.3.1"
+__version__ = "0.3.2"
diff --git a/soup_cli/cli.py b/soup_cli/cli.py
index c3708ee..216554f 100644
--- a/soup_cli/cli.py
+++ b/soup_cli/cli.py
@@ -60,9 +60,50 @@ data.app.command(name="generate")(generate.generate)
 
 
 @app.command()
-def version():
+def version(
+    full: bool = typer.Option(False, "--full", "-f", help="Show system info and extras"),
+):
     """Show Soup CLI version."""
-    console.print(f"[bold green]soup[/] v{__version__}")
+    if not full:
+        console.print(f"[bold green]soup[/] v{__version__}")
+        return
+
+    import platform
+
+    parts = [f"[bold green]soup[/] v{__version__}"]
+    parts.append(f"Python {platform.python_version()}")
+
+    # GPU info
+    try:
+        import torch
+        if torch.cuda.is_available():
+            parts.append(f"CUDA {torch.version.cuda}")
+        elif hasattr(torch.backends, "mps") and torch.backends.mps.is_available():
+            parts.append("MPS")
+        else:
+            parts.append("CPU only")
+    except ImportError:
+        parts.append("no torch")
+
+    # Installed extras
+    extras = []
+    for name, label in [
+        ("fastapi", "serve"),
+        ("datasketch", "data"),
+        ("lm_eval", "eval"),
+        ("deepspeed", "deepspeed"),
+        ("wandb", "wandb"),
+    ]:
+        try:
+            __import__(name)
+            extras.append(label)
+        except ImportError:
+            pass
+
+    if extras:
+        parts.append(f"extras: {', '.join(extras)}")
+
+    console.print(" | ".join(parts))
 
 
 @app.callback(invoke_without_command=True)
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 1a1dd7b..a1357e6 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -14,6 +14,19 @@ def test_version():
     assert __version__ in result.output
 
 
+def test_version_full():
+    result = runner.invoke(app, ["version", "--full"])
+    assert result.exit_code == 0
+    assert __version__ in result.output
+    assert "Python" in result.output
+
+
+def test_version_full_short_flag():
+    result = runner.invoke(app, ["version", "-f"])
+    assert result.exit_code == 0
+    assert "Python" in result.output
+
+
 def test_help():
     result = runner.invoke(app, ["--help"])
     assert result.exit_code == 0