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prashar32 merged 1 commit into from
Jun 18, 2026
Merged

feat(pricing): refresh built-in model prices to current list prices #145

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9 changes: 9 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -91,6 +91,15 @@ surface is governed by [`COMPATIBILITY.md`](COMPATIBILITY.md).
Go/Python setup. The daemon pulls fresh on each run so a stale cached image can't
skew the demo; a short README shows how to swap the mock for a real provider.

### Changed
- **Refreshed the built-in pricing table** to current published list prices
(Anthropic and OpenAI pricing pages, 2026-06-19). Adds Claude Fable 5 and the
OpenAI `gpt-5.5` / `gpt-5.4` family, and **fixes two now-incorrect prefixes**: the
`claude-opus-4` prefix was mispricing Opus 4.5–4.8 (now $5/$25 via longer-prefix
entries; Opus 4 / 4.1 stay $15/$75), and the stale `gpt-5` prefix was mispricing
`gpt-5.4`/`gpt-5.5` (bare `gpt-5` is now unpriced rather than wrong). Prices remain
fully overridable via `RISKKERNEL_PRICING_FILE`.

## [0.7.0] - 2026-06-14

Reach and scale. RiskKernel now plugs into the whole Python agent ecosystem —
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40 changes: 28 additions & 12 deletions internal/pricing/pricing.go
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Expand Up @@ -19,20 +19,36 @@ type Rate struct {
OutputPerM float64 `json:"outputPerM"`
}

// defaultRates holds built-in list prices. Matching is by case-insensitive prefix
// so dated model snapshots (e.g. "claude-sonnet-4-5-20250101") resolve to the
// family rate. Users override or extend these via config; unknown models price to
// zero and report ok=false so the caller can decide how to treat them.
// defaultRates holds built-in list prices in USD per 1M tokens, as published on the
// providers' pricing pages. Refreshed 2026-06-19 from:
//
// Anthropic: https://platform.claude.com/docs/en/about-claude/pricing
// OpenAI: https://developers.openai.com/api/docs/pricing
//
// Matching is case-insensitive LONGEST-prefix, so dated snapshots (e.g.
// "claude-opus-4-8-20260101") and minor versions resolve to the right rate, and a
// more specific key wins over a shorter one. Provider prices drift — override or
// extend via config (RISKKERNEL_PRICING_FILE); unknown models price to zero and
// report ok=false so the caller can decide how to treat them.
var defaultRates = map[string]Rate{
// Anthropic (native provider in v0.1).
"claude-opus-4": {InputPerM: 15.0, OutputPerM: 75.0},
"claude-sonnet-4": {InputPerM: 3.0, OutputPerM: 15.0},
"claude-haiku-4": {InputPerM: 1.0, OutputPerM: 5.0},
// Anthropic (native). Opus 4.5+ dropped to $5/$25; Opus 4 / 4.1 stay $15/$75,
// so the newer versions get explicit (longer-prefix) entries.
"claude-fable-5": {InputPerM: 10.0, OutputPerM: 50.0},
"claude-opus-4-8": {InputPerM: 5.0, OutputPerM: 25.0},
"claude-opus-4-7": {InputPerM: 5.0, OutputPerM: 25.0},
"claude-opus-4-6": {InputPerM: 5.0, OutputPerM: 25.0},
"claude-opus-4-5": {InputPerM: 5.0, OutputPerM: 25.0},
"claude-opus-4": {InputPerM: 15.0, OutputPerM: 75.0}, // Opus 4 / 4.1
"claude-sonnet-4": {InputPerM: 3.0, OutputPerM: 15.0}, // Sonnet 4 / 4.5 / 4.6
"claude-haiku-4": {InputPerM: 1.0, OutputPerM: 5.0}, // Haiku 4.5
"claude-3-5-haiku": {InputPerM: 0.8, OutputPerM: 4.0},
// OpenAI (stub provider; prices kept for ledger/ingress accounting).
"gpt-5": {InputPerM: 1.25, OutputPerM: 10.0},
"gpt-4o": {InputPerM: 2.5, OutputPerM: 10.0},
"gpt-4o-mini": {InputPerM: 0.15, OutputPerM: 0.6},
// OpenAI (native). The gpt-5.5 / 5.4 family is current; 4o kept as legacy.
"gpt-5.5": {InputPerM: 5.0, OutputPerM: 30.0},
"gpt-5.4-mini": {InputPerM: 0.75, OutputPerM: 4.5},
"gpt-5.4-nano": {InputPerM: 0.2, OutputPerM: 1.25},
"gpt-5.4": {InputPerM: 2.5, OutputPerM: 15.0},
"gpt-4o-mini": {InputPerM: 0.15, OutputPerM: 0.6},
"gpt-4o": {InputPerM: 2.5, OutputPerM: 10.0},
}

// Table prices models. The zero value is usable (built-in rates only); use
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54 changes: 54 additions & 0 deletions internal/pricing/pricing_test.go
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Expand Up @@ -30,6 +30,60 @@ func TestCost_KnownModel(t *testing.T) {
}
}

func TestCost_CurrentModels(t *testing.T) {
tbl := NewTable(nil)
cases := []struct {
model string
in, out int64
want float64
}{
// Anthropic (per platform.claude.com pricing, 2026-06-19).
{"claude-fable-5", 1_000_000, 1_000_000, 60.0}, // 10 + 50
{"claude-opus-4-8-20260101", 1_000_000, 1_000_000, 30.0}, // 5 + 25 (current Opus)
{"claude-opus-4-5", 1_000_000, 0, 5.0}, // 5 (current Opus)
{"claude-opus-4-1-20250805", 1_000_000, 1_000_000, 90.0}, // 15 + 75 (deprecated 4.1)
{"claude-opus-4", 1_000_000, 0, 15.0}, // retired 4.0
{"claude-haiku-4-5", 1_000_000, 1_000_000, 6.0}, // 1 + 5
// OpenAI (per developers.openai.com pricing, 2026-06-19).
{"gpt-5.5", 1_000_000, 1_000_000, 35.0}, // 5 + 30
{"gpt-5.4", 1_000_000, 1_000_000, 17.5}, // 2.5 + 15
{"gpt-5.4-mini", 1_000_000, 1_000_000, 5.25}, // 0.75 + 4.5
{"gpt-5.4-nano", 1_000_000, 0, 0.2}, // 0.2
}
for _, c := range cases {
usd, ok := tbl.Cost(c.model, c.in, c.out)
if !ok || !approx(usd, c.want) {
t.Errorf("Cost(%q) = %v ok=%v, want %v", c.model, usd, ok, c.want)
}
}
}

func TestCost_OpusVersionPrefixSplit(t *testing.T) {
// Longest-prefix must price current Opus (4.5+) at $5/$25 while deprecated
// 4.0/4.1 stay $15/$75 — a regression guard, since the shorter "claude-opus-4"
// prefix would otherwise misprice the newer (cheaper) models.
tbl := NewTable(nil)
if r, _ := tbl.Rate("claude-opus-4-8"); !approx(r.InputPerM, 5.0) || !approx(r.OutputPerM, 25.0) {
t.Errorf("opus-4-8 rate = %+v, want 5/25", r)
}
if r, _ := tbl.Rate("claude-opus-4-1-20250805"); !approx(r.InputPerM, 15.0) || !approx(r.OutputPerM, 75.0) {
t.Errorf("opus-4-1 rate = %+v, want 15/75", r)
}
}

func TestCost_SupersededGpt5Unpriced(t *testing.T) {
// Bare "gpt-5" (5.0) is superseded by 5.4/5.5 and no longer published, so it's
// unpriced (the user adds an override) rather than carrying a stale rate — while
// the 5.4/5.5 family that shares the stem is priced.
tbl := NewTable(nil)
if _, ok := tbl.Rate("gpt-5"); ok {
t.Error("bare gpt-5 should be unpriced after the refresh")
}
if _, ok := tbl.Rate("gpt-5.5"); !ok {
t.Error("gpt-5.5 should be priced")
}
}

func TestCost_DatedSnapshotResolvesToFamily(t *testing.T) {
tbl := NewTable(nil)
usd, ok := tbl.Cost("claude-sonnet-4-5-20250101", 1_000_000, 0)
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