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feat(chat): add deepseek/deepseek-v4.1-flash beside deepseek-chat #182

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Merged
VickyXAI merged 1 commit into from
Oct 20, 2026
Merged

feat(chat): add deepseek/deepseek-v4.1-flash beside deepseek-chat #182

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6 changes: 3 additions & 3 deletions README.md
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Expand Up @@ -252,11 +252,11 @@ Package managers have shown install size for decades. Almost no MCP server shows

| Profile | Tools | Context |
|---------|-------|---------|
| `full` *(default)* | 19 | 14,335 |
| `full` *(default)* | 19 | 14,348 |
| `trading` | 8 | 5,411 |
| `media` | 7 | 7,144 |
| `research` | 5 | 2,727 |
| `chat` | 3 | 2,082 |
| `research` | 5 | 2,740 |
| `chat` | 3 | 2,095 |

Running `--profile trading` instead of the default costs **62% less context** for the same trading
workflow. If you only ever ask about markets, that is the single cheapest change you can make.
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6 changes: 3 additions & 3 deletions docs/mcp-schema-overhead.md
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Expand Up @@ -16,11 +16,11 @@ Written 2026-09-01, verified against `@modelcontextprotocol/sdk` 1.29.0. Numbers

| Profile | Tools | Context |
|---------|-------|---------|
| `full` *(default)* | 19 | 14,335 |
| `full` *(default)* | 19 | 14,348 |
| `trading` | 8 | 5,411 |
| `media` | 7 | 7,144 |
| `research` | 5 | 2,727 |
| `chat` | 3 | 2,082 |
| `research` | 5 | 2,740 |
| `chat` | 3 | 2,095 |

Descriptions are ~54% of it, input schemas ~42%. `--profile trading` costs 62% less than the
default for the same workflow.
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2 changes: 1 addition & 1 deletion src/tools/chat.ts
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Expand Up @@ -443,7 +443,7 @@ Notable modes:
- mode:"powerful" → Claude Opus 5, Claude Opus 4.8, GPT-5.6-sol, Claude Fable 5 (frontier, 1M context)
- mode:"reasoning" → Claude Opus 5, GPT-5.6-sol, Kimi K3, Grok 4.3, deepseek-v4-pro
- mode:"coding" → Claude Opus 5, GPT-5.3-codex, Kimi K3, Grok Build, GLM-5.2
- mode:"cheap" → deepseek-v4-pro, Qwen3.7 Flash, MiniMax M3, Tencent Hy3
- mode:"cheap" → deepseek-v4-pro, Qwen3.7 Flash, MiniMax M3, Gemini 2.5 Flash, DeepSeek Chat / V4.1 Flash
- mode:"glm" → Zhipu GLM-5 / 5.2 / 5.1 / 5-Turbo (strong at coding)
- mode:"free" → free models (no cost)

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11 changes: 8 additions & 3 deletions src/utils/constants.ts
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Expand Up @@ -74,7 +74,10 @@ export const BASE_RPC_URLS = [
// gemini-3.5-flash-lite ($0.3/$2.5, live-probed 2026-08-12),
// gemini-3.1-flash-lite ($0.25/$1.5), gemini-2.5-pro, gemini-2.5-flash,
// gemini-2.5-flash-lite — all 1M context
// DeepSeek (4): deepseek-v4-flash-vision-exp ($0.3/$1.2), deepseek-v4-pro ($1.32/$3.96, 1M, reasoning + coding;
// DeepSeek (5): deepseek-v4.1-flash ($0.14/$0.28, 1M, reasoning + coding —
// listed on Base 2026-10-20, same price as deepseek-chat; NOT on Solana yet:
// sol.blockrun.ai answers 400 "Unknown model", which a routing tier just
// falls through before any payment), deepseek-v4-flash-vision-exp ($0.3/$1.2), deepseek-v4-pro ($1.32/$3.96, 1M, reasoning + coding;
// repriced by the gateway and re-probed 2026-09-02),
// deepseek-chat, deepseek-reasoner ($0.14/$0.28 on Base since DeepSeek's
// 2026-08-07 cut; sol still quotes $0.2/$0.4 — see the drift note above)
Expand Down Expand Up @@ -134,10 +137,10 @@ export const BASE_RPC_URLS = [
// hidden-alive since July). They stay routed at the tail of free[] until a
// realistic-prompt POST probe reads their response `model` field.
export const MODEL_TIERS = {
fast: ["google/gemini-3.5-flash", "google/gemini-2.5-flash", "openai/gpt-5.6-luna", "google/gemini-3.5-flash-lite", "openai/gpt-5-mini", "deepseek/deepseek-chat", "google/gemini-3-flash-preview"],
fast: ["google/gemini-3.5-flash", "google/gemini-2.5-flash", "openai/gpt-5.6-luna", "google/gemini-3.5-flash-lite", "openai/gpt-5-mini", "deepseek/deepseek-chat", "deepseek/deepseek-v4.1-flash", "google/gemini-3-flash-preview"],
balanced: ["openai/gpt-5.6-terra", "anthropic/claude-sonnet-5", "moonshot/kimi-k3", "google/gemini-3.1-pro", "xai/grok-4.5", "openai/gpt-5.5"],
powerful: ["anthropic/claude-opus-5", "anthropic/claude-opus-4.8", "openai/gpt-5.6-sol", "anthropic/claude-fable-5", "openai/gpt-5.4-pro", "openai/gpt-5.2-pro"],
cheap: ["deepseek/deepseek-v4-pro", "qwen/qwen3.7-flash", "minimax/minimax-m3", "google/gemini-2.5-flash", "deepseek/deepseek-chat", "openai/gpt-5.4-nano"],
cheap: ["deepseek/deepseek-v4-pro", "qwen/qwen3.7-flash", "minimax/minimax-m3", "google/gemini-2.5-flash", "deepseek/deepseek-chat", "deepseek/deepseek-v4.1-flash", "openai/gpt-5.4-nano"],
reasoning: ["anthropic/claude-opus-5", "anthropic/claude-opus-4.8", "openai/gpt-5.6-sol", "moonshot/kimi-k3", "xai/grok-4.3", "deepseek/deepseek-v4-pro", "deepseek/deepseek-reasoner"],
// 2026-08-12 sweep (both chains, realistic prompt). Order matters: free[0]
// is what every mode:"free" call tries first, and a slow primary stalls the
Expand Down Expand Up @@ -432,6 +435,8 @@ export const CHAT_PRICE_PER_MTOKEN: Record<string, { input: number; output: numb
"zai/glm-5": { input: 1, output: 3.2 },
"deepseek/deepseek-v4-pro": { input: 1.32, output: 3.96 },
"deepseek/deepseek-chat": { input: 0.14, output: 0.28 },
// Base GET /v1/models + account sheet, 2026-10-20 (not yet on Solana).
"deepseek/deepseek-v4.1-flash": { input: 0.14, output: 0.28 },
"deepseek/deepseek-reasoner": { input: 0.14, output: 0.28 },
"minimax/minimax-m3": { input: 0.3, output: 1.2 },
// Every other live, available, paid chat id in GET /v1/models (2026-10-20;
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17 changes: 17 additions & 0 deletions test/chat.test.ts
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Expand Up @@ -560,3 +560,20 @@ test("free[] is the self-serving set from the 2026-10-20 probe, fastest first",
assert.ok(!(MODEL_TIERS.free as readonly string[]).includes(aliased), `${aliased} answers as another model on both chains — not a fallback rung`);
}
});

// deepseek/deepseek-v4.1-flash, listed on Base 2026-10-20 at deepseek-chat's
// $0.14/$0.28. It sits beside deepseek-chat (never in place of it) because
// Solana does not serve it yet — sol answers 400 "Unknown model" before any
// payment, so the tier simply falls through to the next member there.
test("deepseek-v4.1-flash is priced like deepseek-chat and follows it in fast and cheap", () => {
assert.deepEqual(CHAT_PRICE_PER_MTOKEN["deepseek/deepseek-v4.1-flash"], { input: 0.14, output: 0.28 });
assert.deepEqual(CHAT_PRICE_PER_MTOKEN["deepseek/deepseek-v4.1-flash"], CHAT_PRICE_PER_MTOKEN["deepseek/deepseek-chat"]);
for (const tier of ["fast", "cheap"] as const) {
const ids = MODEL_TIERS[tier] as readonly string[];
assert.equal(ids.indexOf("deepseek/deepseek-v4.1-flash"), ids.indexOf("deepseek/deepseek-chat") + 1, tier);
}
assert.equal(
estimateChatCost(1024, undefined, "deepseek-v4.1-flash", undefined, 100_000),
estimateChatCost(1024, undefined, "deepseek/deepseek-chat", undefined, 100_000),
);
});
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