hermes-agent/tests/agent/test_usage_pricing.py
Teknium a61e29e879 fix(pricing): refresh full DeepSeek snapshot to 2026-07 rates
Widens the deepseek-v4-flash addition to the whole stale-snapshot class:
- deepseek-v4-pro: $1.74/$3.48 → $0.435/$0.87, cache-read $0.003625
  (DeepSeek's 2026-07 price cut; every pro session was over-reporting 4x)
- deepseek-chat / deepseek-reasoner: deprecated 2026-07-24, now alias
  v4-flash non-thinking/thinking modes — repriced to match flash
  (reasoner was $0.55/$2.19 with no cache rate)
- cache_read added to every row; pricing_version unified at
  deepseek-pricing-2026-07
- invariant tests: aliases price identically to flash; every deepseek
  row carries cache_read < input
2026-07-16 05:56:22 -07:00

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from types import SimpleNamespace
from agent.usage_pricing import (
CanonicalUsage,
estimate_usage_cost,
get_pricing_entry,
normalize_usage,
)
def test_normalize_usage_anthropic_keeps_cache_buckets_separate():
usage = SimpleNamespace(
input_tokens=1000,
output_tokens=500,
cache_read_input_tokens=2000,
cache_creation_input_tokens=400,
)
normalized = normalize_usage(usage, provider="anthropic", api_mode="anthropic_messages")
assert normalized.input_tokens == 1000
assert normalized.output_tokens == 500
assert normalized.cache_read_tokens == 2000
assert normalized.cache_write_tokens == 400
assert normalized.prompt_tokens == 3400
def test_normalize_usage_openai_subtracts_cached_prompt_tokens():
usage = SimpleNamespace(
prompt_tokens=3000,
completion_tokens=700,
prompt_tokens_details=SimpleNamespace(cached_tokens=1800),
)
normalized = normalize_usage(usage, provider="openai", api_mode="chat_completions")
assert normalized.input_tokens == 1200
assert normalized.cache_read_tokens == 1800
assert normalized.output_tokens == 700
def test_normalize_usage_openai_reads_top_level_anthropic_cache_fields():
"""Some OpenAI-compatible proxies (OpenRouter, Cline) expose
Anthropic-style cache token counts at the top level of the usage object when
routing Claude models, instead of nesting them in prompt_tokens_details.
Regression guard for the bug fixed in cline/cline#10266 — before this fix,
the chat-completions branch of normalize_usage() only read
prompt_tokens_details.cache_write_tokens and completely missed the
cache_creation_input_tokens case, so cache writes showed as 0 and reflected
inputTokens were overstated by the cache-write amount.
"""
usage = SimpleNamespace(
prompt_tokens=1000,
completion_tokens=200,
prompt_tokens_details=SimpleNamespace(cached_tokens=500),
cache_creation_input_tokens=300,
)
normalized = normalize_usage(usage, provider="openrouter", api_mode="chat_completions")
# Expected: cache read from prompt_tokens_details.cached_tokens (preferred),
# cache write from top-level cache_creation_input_tokens (fallback).
assert normalized.cache_read_tokens == 500
assert normalized.cache_write_tokens == 300
# input_tokens = prompt_total - cache_read - cache_write = 1000 - 500 - 300 = 200
assert normalized.input_tokens == 200
assert normalized.output_tokens == 200
def test_normalize_usage_openai_reads_top_level_cache_read_when_details_missing():
"""Some proxies expose only top-level Anthropic-style fields with no
prompt_tokens_details object. Regression guard for cline/cline#10266.
"""
usage = SimpleNamespace(
prompt_tokens=1000,
completion_tokens=200,
cache_read_input_tokens=500,
cache_creation_input_tokens=300,
)
normalized = normalize_usage(usage, provider="openrouter", api_mode="chat_completions")
assert normalized.cache_read_tokens == 500
assert normalized.cache_write_tokens == 300
assert normalized.input_tokens == 200
def test_normalize_usage_openai_prefers_prompt_tokens_details_over_top_level():
"""When both prompt_tokens_details and top-level Anthropic fields are
present, we prefer the OpenAI-standard nested fields. Top-level Anthropic
fields are only a fallback when the nested ones are absent/zero.
"""
usage = SimpleNamespace(
prompt_tokens=1000,
completion_tokens=200,
prompt_tokens_details=SimpleNamespace(cached_tokens=600, cache_write_tokens=150),
# Intentionally different values — proving we ignore these when details exist.
cache_read_input_tokens=999,
cache_creation_input_tokens=999,
)
normalized = normalize_usage(usage, provider="openrouter", api_mode="chat_completions")
assert normalized.cache_read_tokens == 600
assert normalized.cache_write_tokens == 150
def test_openrouter_models_api_pricing_is_converted_from_per_token_to_per_million(monkeypatch):
monkeypatch.setattr(
"agent.usage_pricing.fetch_model_metadata",
lambda: {
"anthropic/claude-opus-4.6": {
"pricing": {
"prompt": "0.000005",
"completion": "0.000025",
"input_cache_read": "0.0000005",
"input_cache_write": "0.00000625",
}
}
},
)
entry = get_pricing_entry(
"anthropic/claude-opus-4.6",
provider="openrouter",
base_url="https://openrouter.ai/api/v1",
)
assert float(entry.input_cost_per_million) == 5.0
assert float(entry.output_cost_per_million) == 25.0
assert float(entry.cache_read_cost_per_million) == 0.5
assert float(entry.cache_write_cost_per_million) == 6.25
def test_estimate_usage_cost_marks_subscription_routes_included():
result = estimate_usage_cost(
"gpt-5.3-codex",
CanonicalUsage(input_tokens=1000, output_tokens=500),
provider="openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
)
assert result.status == "included"
assert float(result.amount_usd) == 0.0
def test_estimate_usage_cost_refuses_cache_pricing_without_official_cache_rate(monkeypatch):
monkeypatch.setattr(
"agent.usage_pricing.fetch_model_metadata",
lambda: {
"google/gemini-2.5-pro": {
"pricing": {
"prompt": "0.00000125",
"completion": "0.00001",
}
}
},
)
result = estimate_usage_cost(
"google/gemini-2.5-pro",
CanonicalUsage(input_tokens=1000, output_tokens=500, cache_read_tokens=100),
provider="openrouter",
base_url="https://openrouter.ai/api/v1",
)
assert result.status == "unknown"
def test_custom_endpoint_models_api_pricing_is_supported(monkeypatch):
monkeypatch.setattr(
"agent.usage_pricing.fetch_endpoint_model_metadata",
lambda base_url, api_key=None: {
"zai-org/GLM-5-TEE": {
"pricing": {
"prompt": "0.0000005",
"completion": "0.000002",
}
}
},
)
entry = get_pricing_entry(
"zai-org/GLM-5-TEE",
provider="custom",
base_url="https://llm.chutes.ai/v1",
api_key="test-key",
)
assert float(entry.input_cost_per_million) == 0.5
assert float(entry.output_cost_per_million) == 2.0
def test_nous_portal_pricing_preserves_vendor_prefixed_model_ids(monkeypatch):
seen = {}
def _fake_fetch_endpoint_model_metadata(base_url, api_key=None):
seen["base_url"] = base_url
return {
"openai/gpt-5.5-pro": {
"pricing": {
"prompt": "0.000025",
"completion": "0.000125",
}
}
}
monkeypatch.setattr(
"agent.usage_pricing.fetch_endpoint_model_metadata",
_fake_fetch_endpoint_model_metadata,
)
entry = get_pricing_entry("openai/gpt-5.5-pro", provider="nous")
assert seen["base_url"] == "https://inference-api.nousresearch.com/v1"
assert float(entry.input_cost_per_million) == 25.0
assert float(entry.output_cost_per_million) == 125.0
def test_deepseek_v4_pro_pricing_entry_exists():
"""Regression test: deepseek-v4-pro must have a pricing entry.
Before this fix, deepseek-v4-pro sessions showed as unknown cost
in hermes insights because the _OFFICIAL_DOCS_PRICING table had no
entry for that model. See #24218. Rates track the 2026-07 price cut
($1.74/$3.48 → $0.435/$0.87).
"""
entry = get_pricing_entry(
"deepseek-v4-pro",
provider="deepseek",
)
assert entry is not None
assert entry.input_cost_per_million is not None
assert entry.output_cost_per_million is not None
assert float(entry.input_cost_per_million) == 0.435
assert float(entry.output_cost_per_million) == 0.87
assert float(entry.cache_read_cost_per_million) == 0.003625
def test_deepseek_v4_pro_estimate_usage_cost():
"""Ensure deepseek-v4-pro sessions get a dollar estimate, not unknown."""
result = estimate_usage_cost(
"deepseek-v4-pro",
CanonicalUsage(input_tokens=1000000, output_tokens=500000),
provider="deepseek",
)
assert result.status == "estimated"
assert result.amount_usd is not None
# 1M input × $0.435/M + 500K output × $0.87/M = $0.435 + $0.435 = $0.87
assert float(result.amount_usd) == 0.87
def test_deepseek_deprecated_aliases_price_as_v4_flash():
"""Invariant: deepseek-chat / deepseek-reasoner are deprecated aliases for
deepseek-v4-flash's non-thinking / thinking modes (deprecation 2026-07-24)
— they must bill at identical rates to the flash entry, or sessions on the
legacy names over/under-report cost."""
flash = get_pricing_entry("deepseek-v4-flash", provider="deepseek")
assert flash is not None
for alias in ("deepseek-chat", "deepseek-reasoner"):
entry = get_pricing_entry(alias, provider="deepseek")
assert entry is not None, alias
assert entry.input_cost_per_million == flash.input_cost_per_million, alias
assert entry.output_cost_per_million == flash.output_cost_per_million, alias
assert (
entry.cache_read_cost_per_million == flash.cache_read_cost_per_million
), alias
def test_deepseek_rows_all_carry_cache_read_pricing():
"""Invariant: DeepSeek publishes a cache-hit rate for every current model;
every deepseek snapshot row must carry cache_read < input so cached
sessions estimate correctly instead of billing reads at full price."""
from agent.usage_pricing import _OFFICIAL_DOCS_PRICING
ds_rows = [k for k in _OFFICIAL_DOCS_PRICING if k[0] == "deepseek"]
assert ds_rows, "expected at least one deepseek pricing row"
for key in ds_rows:
entry = _OFFICIAL_DOCS_PRICING[key]
assert entry.cache_read_cost_per_million is not None, key
assert entry.cache_read_cost_per_million < entry.input_cost_per_million, key
def test_bedrock_claude_rows_all_carry_cache_pricing():
"""Invariant: every Bedrock Claude pricing row must carry cache-read AND
cache-write rates, otherwise a cached session prices as ``unknown``.
Bedrock Claude routes through the AnthropicBedrock SDK and injects
cache_control, so cached tokens are always reported — the pricing layer
must be able to value them. See #50295.
"""
from agent.usage_pricing import _OFFICIAL_DOCS_PRICING
claude_rows = [
(prov, model)
for (prov, model) in _OFFICIAL_DOCS_PRICING
if prov == "bedrock" and "claude" in model
]
assert claude_rows, "expected at least one bedrock Claude pricing row"
for key in claude_rows:
entry = _OFFICIAL_DOCS_PRICING[key]
assert entry.input_cost_per_million is not None, key
assert entry.cache_read_cost_per_million is not None, key
assert entry.cache_write_cost_per_million is not None, key
# Cache reads are cheaper than fresh input; cache writes cost more.
assert entry.cache_read_cost_per_million < entry.input_cost_per_million, key
assert entry.cache_write_cost_per_million > entry.input_cost_per_million, key
def test_bedrock_cross_region_profile_prefix_resolves_to_pricing():
"""Cross-region inference profiles (us./global./eu. prefixes) must resolve
to the same pricing entry as the bare foundation-model id. Without prefix
normalization, ``us.anthropic.claude-*`` sessions price as unknown.
"""
bedrock_url = "https://bedrock-runtime.us-east-1.amazonaws.com"
bare = get_pricing_entry(
"anthropic.claude-sonnet-4-5", provider="bedrock", base_url=bedrock_url
)
assert bare is not None
for prefix in ("us.", "global.", "eu."):
scoped = get_pricing_entry(
f"{prefix}anthropic.claude-sonnet-4-5",
provider="bedrock",
base_url=bedrock_url,
)
assert scoped is not None, prefix
assert scoped.input_cost_per_million == bare.input_cost_per_million
assert scoped.cache_read_cost_per_million == bare.cache_read_cost_per_million
def test_bedrock_claude_cached_session_estimates_cost_not_unknown():
"""A Bedrock Claude session with cache hits must produce a dollar estimate,
not ``unknown`` — the user-visible symptom in #50295.
"""
bedrock_url = "https://bedrock-runtime.us-east-1.amazonaws.com"
usage = SimpleNamespace(
input_tokens=55,
output_tokens=7113,
cache_read_input_tokens=1369379,
cache_creation_input_tokens=42135,
)
canonical = normalize_usage(usage, provider="bedrock", api_mode="anthropic_messages")
assert canonical.cache_read_tokens == 1369379
assert canonical.cache_write_tokens == 42135
result = estimate_usage_cost(
"us.anthropic.claude-opus-4-6",
canonical,
provider="bedrock",
base_url=bedrock_url,
)
assert result.status == "estimated"
assert result.amount_usd is not None
def test_fireworks_kimi_k2p6_resolves_with_full_model_path():
"""Fireworks model ids look like accounts/fireworks/models/<name>;
the routing layer must strip the prefix so the dict lookup succeeds."""
entry = get_pricing_entry(
"accounts/fireworks/models/kimi-k2p6",
provider="fireworks",
base_url="https://api.fireworks.ai/inference/v1",
)
assert entry is not None
assert float(entry.input_cost_per_million) == 0.95
assert float(entry.output_cost_per_million) == 4.00
assert float(entry.cache_read_cost_per_million) == 0.16
assert entry.source == "official_docs_snapshot"
def test_fireworks_base_url_host_match_alone_routes_to_pricing():
"""Provider not explicitly passed; routing infers fireworks from the host."""
entry = get_pricing_entry(
"accounts/fireworks/models/deepseek-v4-pro",
base_url="https://api.fireworks.ai/inference/v1",
)
assert entry is not None
assert float(entry.input_cost_per_million) == 1.74
assert float(entry.output_cost_per_million) == 3.48
def test_fireworks_qwen3p7_plus_estimate_usage_cost():
"""End-to-end: Fireworks Qwen3.7-Plus sessions report a dollar estimate."""
result = estimate_usage_cost(
"accounts/fireworks/models/qwen3p7-plus",
CanonicalUsage(input_tokens=1_000_000, output_tokens=500_000),
provider="fireworks",
base_url="https://api.fireworks.ai/inference/v1",
)
assert result.status == "estimated"
assert result.amount_usd is not None
# 1M input × $0.40/M + 500K output × $1.60/M = $0.40 + $0.80 = $1.20
assert float(result.amount_usd) == 1.20
def test_fireworks_router_fast_tier_prices_distinctly():
"""Fast serving tiers live under accounts/fireworks/routers/<name>-fast and
bill at higher rates than the standard model — the routing layer's
rsplit("/", 1) must land on the distinct fast-tier entry."""
standard = get_pricing_entry(
"accounts/fireworks/models/kimi-k2p6",
provider="fireworks",
base_url="https://api.fireworks.ai/inference/v1",
)
fast = get_pricing_entry(
"accounts/fireworks/routers/kimi-k2p6-fast",
provider="fireworks",
base_url="https://api.fireworks.ai/inference/v1",
)
assert standard is not None and fast is not None
assert fast.input_cost_per_million > standard.input_cost_per_million
assert fast.output_cost_per_million > standard.output_cost_per_million
def test_fireworks_plugin_fallback_models_all_have_pricing():
"""Invariant: every model in the Fireworks provider plugin's
fallback_models (the picker's curated safety net) must resolve to a
pricing entry — otherwise the default picker choices bill as unknown."""
from providers import get_provider_profile
profile = get_provider_profile("fireworks")
assert profile is not None
for mid in profile.fallback_models:
entry = get_pricing_entry(
mid,
provider="fireworks",
base_url="https://api.fireworks.ai/inference/v1",
)
assert entry is not None, f"no pricing entry for fallback model {mid}"
assert entry.input_cost_per_million is not None, mid
def test_fireworks_rows_all_carry_cache_read_pricing():
"""Invariant: Fireworks publishes cached-input rates for every serverless
model, and Hermes prompt caching is active on Fireworks sessions — every
snapshot row must carry a cache_read rate cheaper than fresh input."""
from agent.usage_pricing import _OFFICIAL_DOCS_PRICING
fw_rows = [k for k in _OFFICIAL_DOCS_PRICING if k[0] == "fireworks"]
assert fw_rows, "expected at least one fireworks pricing row"
for key in fw_rows:
entry = _OFFICIAL_DOCS_PRICING[key]
assert entry.cache_read_cost_per_million is not None, key
assert entry.cache_read_cost_per_million < entry.input_cost_per_million, key
def test_deepseek_v4_flash_pricing_entry_exists():
"""Regression test: deepseek-v4-flash must have a pricing entry.
Before this fix, deepseek-v4-flash sessions showed $0.00 / cost_source
"none" because the _OFFICIAL_DOCS_PRICING table had an entry for
deepseek-v4-pro but not the (newer) flash model. DeepSeek's /models
endpoint returns no pricing, so the official-docs snapshot is the only
source for direct-provider routes.
"""
entry = get_pricing_entry(
"deepseek-v4-flash",
provider="deepseek",
)
assert entry is not None
assert float(entry.input_cost_per_million) == 0.14
assert float(entry.output_cost_per_million) == 0.28
assert float(entry.cache_read_cost_per_million) == 0.0028
def test_deepseek_v4_flash_estimate_usage_cost():
"""Ensure deepseek-v4-flash sessions get a dollar estimate, not $0/none."""
result = estimate_usage_cost(
"deepseek-v4-flash",
CanonicalUsage(input_tokens=1000000, output_tokens=500000),
provider="deepseek",
)
assert result.status == "estimated"
assert result.amount_usd is not None
# 1M input × $0.14/M + 500K output × $0.28/M = $0.14 + $0.14 = $0.28
assert float(result.amount_usd) == 0.28