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feat: add Sonnet 5 + GPT-5.6 pricing; default antigravity to gemini-3.5-flash #31

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Merged
bai-uipath merged 1 commit into from
Jul 20, 2026
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feat: add Sonnet 5 + GPT-5.6 pricing; default antigravity to gemini-3.5-flash #31

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8 changes: 4 additions & 4 deletions src/coder_eval/agents/antigravity_agent.py
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Expand Up @@ -93,10 +93,10 @@ def _harness_spawn_lock() -> asyncio.Lock:


# Recommended Gemini coding model when a task pins no ``agent.model`` and neither
# ``--model`` nor ``ANTIGRAVITY_MODEL`` is set. Gemini 3.1 Pro is the current
# flagship agentic-coding model (the earlier ``gemini-3-pro-preview`` is retired);
# ``medium`` thinking is its recommended daily-driver default.
_DEFAULT_MODEL = "gemini-3.1-pro-preview"
# ``--model`` nor ``ANTIGRAVITY_MODEL`` is set. Gemini 3.5 Flash is Antigravity 2.0's
# default coding model (2026-05) — it outperforms the older Gemini 3.1 Pro on coding /
# agentic benchmarks while running faster; ``medium`` thinking is its daily-driver default.
_DEFAULT_MODEL = "gemini-3.5-flash"

# Antigravity builtin tool name -> canonical Claude-ish tool name, so cross-agent
# success criteria (command_executed / commands_efficiency / skill_triggered) and
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14 changes: 14 additions & 0 deletions src/coder_eval/pricing.py
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Expand Up @@ -28,6 +28,8 @@ class ModelPricing:
"claude-opus-4-6-20250514": ModelPricing(15.0, 75.0, 18.75, 1.50),
"claude-opus-4-5-20251101": ModelPricing(15.0, 75.0, 18.75, 1.50),
"claude-opus-4-20250514": ModelPricing(15.0, 75.0, 18.75, 1.50),
# Claude 5 Sonnet (2026-06-30 on Bedrock): standard $3/$15 (promo $2/$10 thru 2026-08-31).
"claude-sonnet-5": ModelPricing(3.0, 15.0, 3.75, 0.30),
# Claude 4.6 / 4.5 / 4 Sonnet
"claude-sonnet-4-6": ModelPricing(3.0, 15.0, 3.75, 0.30),
"claude-sonnet-4-6-20250514": ModelPricing(3.0, 15.0, 3.75, 0.30),
Expand Down Expand Up @@ -62,6 +64,18 @@ class ModelPricing:
# for very-large-context runs reads low. Fine for typical eval tasks; revisit
# if benchmarking large-context Codex runs.
"gpt-5.5": ModelPricing(5.0, 30.0, 5.0, 0.50),
# gpt-5.5-pro / gpt-5.4-pro: $30/M in, $180/M out; pro tiers offer NO prompt
# caching (cache_read nominal, never billed since pro doesn't cache).
"gpt-5.5-pro": ModelPricing(30.0, 180.0, 30.0, 3.0),
"gpt-5.4-pro": ModelPricing(30.0, 180.0, 30.0, 3.0),
# gpt-5.4 economy tiers: mini $0.75/$4.50, nano $0.20/$1.25.
"gpt-5.4-mini": ModelPricing(0.75, 4.5, 0.75, 0.075),
"gpt-5.4-nano": ModelPricing(0.20, 1.25, 0.20, 0.02),
# GPT-5.6 family (2026-07-09): sol flagship / terra balanced (Codex default) / luna
# economy. Terra matches gpt-5.4's rate; sol matches gpt-5.5.
"gpt-5.6-sol": ModelPricing(5.0, 30.0, 6.25, 0.50),
"gpt-5.6-terra": ModelPricing(2.5, 15.0, 3.125, 0.25),
"gpt-5.6-luna": ModelPricing(1.0, 6.0, 1.25, 0.10),
# Google Gemini (AntigravityAgent, via the Gemini Developer API). Per-MTok
# rates from ai.google.dev/gemini-api/docs/pricing (2026). Gemini bills no
# separate cache-WRITE fee, so cache_write == input (the agent maps
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