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feat(ai): add GPT-5.2 models support #181

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Merged
2witstudios merged 5 commits into from
Jan 12, 2026
Merged

feat(ai): add GPT-5.2 models support #181

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bcdc0d9
feat(ai): add GPT-5.2 models support
claude Jan 12, 2026
efeddca
fix(ai): correct GPT-5.2 context window detection and pricing
claude Jan 12, 2026
f5b9f82
fix(ai): correct GPT-5.2 context window to 400k tokens
claude Jan 12, 2026
54f4863
feat(ai): add GPT-5.2 nano variant
claude Jan 12, 2026
24144dd
fix(ai): add missing openai/gpt-5.2-nano to OpenRouter models
claude Jan 12, 2026
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10 changes: 10 additions & 0 deletions apps/web/src/lib/ai/core/ai-providers-config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,10 @@ export const AI_PROVIDERS = {
'anthropic/claude-3-haiku': 'Claude 3 Haiku',

// OpenAI Models (2025)
'openai/gpt-5.2': 'GPT-5.2',
'openai/gpt-5.2-codex': 'GPT-5.2 Codex',
'openai/gpt-5.2-mini': 'GPT-5.2 Mini',
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'openai/gpt-5.2-nano': 'GPT-5.2 Nano',
'openai/gpt-5.1': 'GPT-5.1',
'openai/gpt-5.1-codex': 'GPT-5.1 Codex',
'openai/gpt-5.1-codex-mini': 'GPT-5.1 Codex Mini',
Expand Down Expand Up @@ -160,6 +164,12 @@ export const AI_PROVIDERS = {
openai: {
name: 'OpenAI',
models: {
// GPT-5.2 Models (2025)
'gpt-5.2': 'GPT-5.2',
'gpt-5.2-codex': 'GPT-5.2 Codex',
'gpt-5.2-mini': 'GPT-5.2 Mini',
'gpt-5.2-nano': 'GPT-5.2 Nano',

// GPT-5.1 Models (2025)
'gpt-5.1': 'GPT-5.1',
'gpt-5.1-codex': 'GPT-5.1 Codex',
Expand Down
17 changes: 17 additions & 0 deletions apps/web/src/lib/ai/core/model-capabilities.ts
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Expand Up @@ -12,6 +12,23 @@ const capabilityLogger = loggers.ai.child({ module: 'model-capabilities' });
* Includes models that can process images, PDFs with images, etc.
*/
const VISION_CAPABLE_MODELS: Record<string, boolean> = {
// OpenAI GPT-5.2 Models (all have vision)
'gpt-5.2': true,
'gpt-5.2-codex': true,
'gpt-5.2-mini': true,
'gpt-5.2-nano': true,
'openai/gpt-5.2': true,
'openai/gpt-5.2-codex': true,
'openai/gpt-5.2-mini': true,
'openai/gpt-5.2-nano': true,

// OpenAI GPT-5.1 Models (all have vision)
'gpt-5.1': true,
'gpt-5.1-codex': true,
'openai/gpt-5.1': true,
'openai/gpt-5.1-codex': true,
'openai/gpt-5.1-codex-mini': true,

// OpenAI GPT-5 Models (all have vision)
'gpt-5': true,
'gpt-5-mini': true,
Expand Down
12 changes: 12 additions & 0 deletions packages/lib/src/monitoring/ai-context-calculator.ts
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Expand Up @@ -139,6 +139,18 @@ export function getContextWindowSize(model: string, provider?: string): number {

// OpenAI models
if (providerLower === 'openai' || modelLower.includes('gpt')) {
// GPT-5.2 models (400k/256k context)
if (modelLower.includes('gpt-5.2')) {
if (modelLower.includes('mini') || modelLower.includes('nano')) {
return 256_000;
}
return 400_000;
}
// GPT-5.1 models (400k context)
if (modelLower.includes('gpt-5.1')) {
return 400_000;
}
// GPT-5.0 models (272k/128k context)
if (modelLower.includes('gpt-5')) {
if (modelLower.includes('mini') || modelLower.includes('nano')) {
return 128_000;
Expand Down
18 changes: 17 additions & 1 deletion packages/lib/src/monitoring/ai-monitoring.ts
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Expand Up @@ -21,6 +21,10 @@ export const AI_PRICING = {
'anthropic/claude-opus-4.1': { input: 15.00, output: 75.00 },

// OpenRouter Paid Models - OpenAI
'openai/gpt-5.2': { input: 1.75, output: 14.00 },
'openai/gpt-5.2-codex': { input: 1.75, output: 14.00 },
'openai/gpt-5.2-mini': { input: 0.35, output: 2.80 },
'openai/gpt-5.2-nano': { input: 0.07, output: 0.56 },
'openai/gpt-5.1': { input: 10.00, output: 40.00 },
'openai/gpt-5.1-codex': { input: 10.00, output: 40.00 },
'openai/gpt-5.1-codex-mini': { input: 5.00, output: 20.00 },
Expand Down Expand Up @@ -90,7 +94,11 @@ export const AI_PRICING = {
'gemini-1.5-flash-8b': { input: 0.0375, output: 0.15 },
'gemini-1.5-pro': { input: 1.25, output: 5.00 },

// OpenAI Direct Models (platform.openai.com/docs/pricing, Dec 2025)
// OpenAI Direct Models (platform.openai.com/docs/pricing, Jan 2026)
'gpt-5.2': { input: 1.75, output: 14.00 },
'gpt-5.2-codex': { input: 1.75, output: 14.00 },
'gpt-5.2-mini': { input: 0.35, output: 2.80 },
'gpt-5.2-nano': { input: 0.07, output: 0.56 },
'gpt-5.1': { input: 10.00, output: 40.00 },
'gpt-5.1-codex': { input: 10.00, output: 40.00 },
'gpt-5': { input: 1.25, output: 10.00 },
Expand Down Expand Up @@ -189,6 +197,10 @@ export const MODEL_CONTEXT_WINDOWS = {
'anthropic/claude-opus-4.1': 200000,

// OpenRouter Models - OpenAI
'openai/gpt-5.2': 400000,
'openai/gpt-5.2-codex': 400000,
'openai/gpt-5.2-mini': 256000,
'openai/gpt-5.2-nano': 256000,
'openai/gpt-5.1': 400000,
'openai/gpt-5.1-codex': 400000,
'openai/gpt-5.1-codex-mini': 400000,
Expand Down Expand Up @@ -262,6 +274,10 @@ export const MODEL_CONTEXT_WINDOWS = {
'gemini-1.5-pro': 2000000,

// OpenAI Direct Models
'gpt-5.2': 400000,
'gpt-5.2-codex': 400000,
'gpt-5.2-mini': 256000,
'gpt-5.2-nano': 256000,
'gpt-5.1': 400000,
'gpt-5.1-codex': 400000,
'gpt-5': 272000,
Expand Down