Add xAI Grok Imagine Image 2.0 to the model registry - #158
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xAI shipped grok-imagine-image-2.0 (~2026-08-11) as a higher-quality image model alongside the existing grok-imagine-image, per xAI's own pricing docs (docs.x.ai/docs/models). Registered as an additive entry (not a replacement) at $0.04/image, the low/1K tier price; xAI's pricing page shows no deprecation of grok-imagine-image. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DxEfKGgZjAouaG3ad1Nrwv
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September 7, 2026 12:36
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Summary
xAI shipped a new image-generation model, grok-imagine-image-2.0
(~2026-08-11), alongside the already-registered
grok-imagine-image(
SupportedModel.GROK_2_IMAGE). Per xAI's own pricing docs(
docs.x.ai/docs/models), it's a higher-quality tier — it jumped from #14 to#2 on public text-to-image/editing leaderboards within a week of release —
offered at $0.04/image (low/1K) to $0.08/image (medium/2K), with no
deprecation notice on the older
grok-imagine-imagemodel. This istherefore an additive registration, not a replacement.
Pricing citation
docs.x.ai/docs/modelslists three xAI image models:grok-imagine-image($0.02/image, already registered),
grok-imagine-image-quality($0.05/image, not registered), and
grok-imagine-image-2.0($0.04/imagelow/1K, $0.08/image medium/2K).
the still-open Add image quality tier support for image generation models #108), so
grok-imagine-image-2.0is registered at itsdefault/low tier price, $0.04/image, matching the pattern used for the
other flat
per_image_price_usdentries.Changes
tee_gateway/model_registry.py:GROK_IMAGINE_IMAGE_2_0enum entry underthe xAI section (same shape as
GROK_2_IMAGE— hosted-URL response format,no reference-image support registered since that isn't wired for xAI in
llm_backend.py/image_generation.pytoday), plus_MODEL_LOOKUPaliases(
grok-imagine-image-2.0,grok-imagine-image-2-0).tests/test_pricing.py: resolve + alias tests, mirroring theseedream-5.0-lite/glm-imageimage-model tests.CLAUDE.md: xAI provider row and image-generation list updated.Testing
uv run --group test python -m pytest tests/test_pricing.py -q— 141passed (was 139).
make lint— ruff format/check + mypy clean.uv run --group test python -m pytest tee_gateway/test/ tests/test_pricing.py tests/test_opengradient_field.py -q— 405 passed, 6 skipped.Companion PR
chat-api PR adding this to the served catalog: OpenGradient/chat-api#290
Notes
There's an unrelated open PR (#156, branch
og/compassionate-thompson-iujsyi)adding Z.ai GLM-5.3/5.3-Flash from a previous run of this same routine check —
no file overlap (that PR only touches the Z.ai section).
🤖 Generated with Claude Code
https://claude.ai/code/session_01DxEfKGgZjAouaG3ad1Nrwv