detached c7695e6

feat(provider): expand GPT-5.6 context windows

commit
c7695e636dc9d085ef8752ae013a88b8e1ae2bce
author
brice · · 2026-08-18 20:43 UTC
committer
brice · · 2026-08-18 20:51 UTC
parent
e791659
signature
GPG VerifiedCD88F9E564E0102646FB6077A1A07C7C7C3E349D · arch-gpg Verified for the committer email
4 files · +30 -19
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UnifiedSplit
M packages/provider/discover.go +7 -2
@@ -295,8 +295,13 @@ func DiscoverOpenAICodex(ctx context.Context, token, accountID, baseURL string)
295295 if m.ContextWindow != nil {
296296 contextWindow = *m.ContextWindow
297297 }
298- if contextWindow == 0 && m.MaxContext != nil {
299- contextWindow = *m.MaxContext
298+ if m.MaxContext != nil {
299+ switch {
300+ case contextWindow == 0:
301+ contextWindow = *m.MaxContext
302+ case *m.MaxContext >= openAIContextWindowTarget && contextWindow < openAIContextWindowTarget:
303+ contextWindow = openAIContextWindowTarget
304+ }
300305 }
301306 displayName := m.DisplayName
302307 if displayName == "" {
@@ -295,8 +295,13 @@ func DiscoverOpenAICodex(ctx context.Context, token, accountID, baseURL string)
295 if m.ContextWindow != nil {295 if m.ContextWindow != nil {
296 contextWindow = *m.ContextWindow296 contextWindow = *m.ContextWindow
297 }297 }
298- if contextWindow == 0 && m.MaxContext != nil {298+ if m.MaxContext != nil {
299- contextWindow = *m.MaxContext299+ switch {
300+ case contextWindow == 0:
301+ contextWindow = *m.MaxContext
302+ case *m.MaxContext >= openAIContextWindowTarget && contextWindow < openAIContextWindowTarget:
303+ contextWindow = openAIContextWindowTarget
304+ }
300 }305 }
301 displayName := m.DisplayName306 displayName := m.DisplayName
302 if displayName == "" {307 if displayName == "" {
M packages/provider/discover_test.go +9 -5
@@ -26,9 +26,10 @@ func TestDiscoverOpenAICodex(t *testing.T) {
2626 t.Errorf("originator = %q", got)
2727 }
2828 _, _ = io.WriteString(w, `{"models":[
29- {"slug":"gpt-5.6-luna","display_name":"GPT-5.6 Luna","supported_in_api":true,"context_window":272000,"max_context_window":400000,"supported_reasoning_levels":["low","medium","high"]},
29+ {"slug":"gpt-5.6-luna","display_name":"GPT-5.6 Luna","supported_in_api":true,"context_window":272000,"max_context_window":872000,"supported_reasoning_levels":["low","medium","high"]},
3030 {"slug":"gpt-hidden","display_name":"Hidden","supported_in_api":true,"visibility":"hide"},
3131 {"slug":"gpt-unsupported","display_name":"Unsupported","supported_in_api":false},
32+ {"slug":"gpt-limited","supported_in_api":true,"context_window":272000,"max_context_window":400000},
3233 {"slug":"gpt-custom","supported_in_api":true,"max_context_window":100000}
3334 ]}`)
3435 }))
@@ -38,15 +39,18 @@ func TestDiscoverOpenAICodex(t *testing.T) {
3839 if err != nil {
3940 t.Fatal(err)
4041 }
41- if len(got) != 2 {
42- t.Fatalf("models = %+v, want 2 models", got)
42+ if len(got) != 3 {
43+ t.Fatalf("models = %+v, want 3 models", got)
4344 }
44- if got[0].Provider != "openai-codex" || got[0].ID != "gpt-5.6-luna" || got[0].DisplayName != "GPT-5.6 Luna" || got[0].ContextWindow != 272000 || !got[0].Reasoning || got[0].Source != "live" {
45+ if got[0].Provider != "openai-codex" || got[0].ID != "gpt-5.6-luna" || got[0].DisplayName != "GPT-5.6 Luna" || got[0].ContextWindow != 500000 || !got[0].Reasoning || got[0].Source != "live" {
4546 t.Errorf("first model = %+v", got[0])
4647 }
47- if got[1].ID != "gpt-custom" || got[1].DisplayName != "gpt-custom" || got[1].ContextWindow != 100000 {
48+ if got[1].ID != "gpt-limited" || got[1].ContextWindow != 272000 {
4849 t.Errorf("second model = %+v", got[1])
4950 }
51+ if got[2].ID != "gpt-custom" || got[2].DisplayName != "gpt-custom" || got[2].ContextWindow != 100000 {
52+ t.Errorf("third model = %+v", got[2])
53+ }
5054 }
5155
5256 func TestDiscoverOpenAICodexRejectsHTTPError(t *testing.T) {
@@ -26,9 +26,10 @@ func TestDiscoverOpenAICodex(t *testing.T) {
26 t.Errorf("originator = %q", got)26 t.Errorf("originator = %q", got)
27 }27 }
28 _, _ = io.WriteString(w, `{"models":[28 _, _ = io.WriteString(w, `{"models":[
29- {"slug":"gpt-5.6-luna","display_name":"GPT-5.6 Luna","supported_in_api":true,"context_window":272000,"max_context_window":400000,"supported_reasoning_levels":["low","medium","high"]},29+ {"slug":"gpt-5.6-luna","display_name":"GPT-5.6 Luna","supported_in_api":true,"context_window":272000,"max_context_window":872000,"supported_reasoning_levels":["low","medium","high"]},
30 {"slug":"gpt-hidden","display_name":"Hidden","supported_in_api":true,"visibility":"hide"},30 {"slug":"gpt-hidden","display_name":"Hidden","supported_in_api":true,"visibility":"hide"},
31 {"slug":"gpt-unsupported","display_name":"Unsupported","supported_in_api":false},31 {"slug":"gpt-unsupported","display_name":"Unsupported","supported_in_api":false},
32+ {"slug":"gpt-limited","supported_in_api":true,"context_window":272000,"max_context_window":400000},
32 {"slug":"gpt-custom","supported_in_api":true,"max_context_window":100000}33 {"slug":"gpt-custom","supported_in_api":true,"max_context_window":100000}
33 ]}`)34 ]}`)
34 }))35 }))
@@ -38,15 +39,18 @@ func TestDiscoverOpenAICodex(t *testing.T) {
38 if err != nil {39 if err != nil {
39 t.Fatal(err)40 t.Fatal(err)
40 }41 }
41- if len(got) != 2 {42+ if len(got) != 3 {
42- t.Fatalf("models = %+v, want 2 models", got)43+ t.Fatalf("models = %+v, want 3 models", got)
43 }44 }
44- if got[0].Provider != "openai-codex" || got[0].ID != "gpt-5.6-luna" || got[0].DisplayName != "GPT-5.6 Luna" || got[0].ContextWindow != 272000 || !got[0].Reasoning || got[0].Source != "live" {45+ if got[0].Provider != "openai-codex" || got[0].ID != "gpt-5.6-luna" || got[0].DisplayName != "GPT-5.6 Luna" || got[0].ContextWindow != 500000 || !got[0].Reasoning || got[0].Source != "live" {
45 t.Errorf("first model = %+v", got[0])46 t.Errorf("first model = %+v", got[0])
46 }47 }
47- if got[1].ID != "gpt-custom" || got[1].DisplayName != "gpt-custom" || got[1].ContextWindow != 100000 {48+ if got[1].ID != "gpt-limited" || got[1].ContextWindow != 272000 {
48 t.Errorf("second model = %+v", got[1])49 t.Errorf("second model = %+v", got[1])
49 }50 }
51+ if got[2].ID != "gpt-custom" || got[2].DisplayName != "gpt-custom" || got[2].ContextWindow != 100000 {
52+ t.Errorf("third model = %+v", got[2])
53+ }
50 }54 }
51 55
52 func TestDiscoverOpenAICodexRejectsHTTPError(t *testing.T) {56 func TestDiscoverOpenAICodexRejectsHTTPError(t *testing.T) {
M packages/provider/models.go +8 -6
@@ -6,6 +6,8 @@ import (
66 "sync"
77 )
88
9+const openAIContextWindowTarget = 500_000
10+
911 // Model describes a single LLM we know about.
1012 type Model struct {
1113 Provider string // "anthropic" | "openai"
@@ -337,19 +339,19 @@ var Catalog = []Model{
337339 },
338340 {
339341 Provider: "openai", ID: "gpt-5.6-luna", DisplayName: "GPT-5.6 Luna", API: APIResponses,
340- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,
342+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
341343 PriceInput: 1, PriceOutput: 6, PriceCacheRead: 0.1, PriceCacheWrite: 1.25,
342344 Speculative: true,
343345 },
344346 {
345347 Provider: "openai", ID: "gpt-5.6-sol", DisplayName: "GPT-5.6 Sol", API: APIResponses,
346- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,
348+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
347349 PriceInput: 5, PriceOutput: 30, PriceCacheRead: 0.5, PriceCacheWrite: 6.25,
348350 Speculative: true,
349351 },
350352 {
351353 Provider: "openai", ID: "gpt-5.6-terra", DisplayName: "GPT-5.6 Terra", API: APIResponses,
352- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,
354+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
353355 PriceInput: 2.5, PriceOutput: 15, PriceCacheRead: 0.25, PriceCacheWrite: 3.125,
354356 Speculative: true,
355357 },
@@ -382,17 +384,17 @@ var Catalog = []Model{
382384 },
383385 {
384386 Provider: "openai-codex", ID: "gpt-5.6-luna", DisplayName: "GPT-5.6 Luna",
385- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,
387+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
386388 PriceInput: 1, PriceOutput: 6, PriceCacheRead: 0.1, PriceCacheWrite: 1.25,
387389 },
388390 {
389391 Provider: "openai-codex", ID: "gpt-5.6-sol", DisplayName: "GPT-5.6 Sol",
390- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,
392+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
391393 PriceInput: 5, PriceOutput: 30, PriceCacheRead: 0.5, PriceCacheWrite: 6.25,
392394 },
393395 {
394396 Provider: "openai-codex", ID: "gpt-5.6-terra", DisplayName: "GPT-5.6 Terra",
395- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,
397+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
396398 PriceInput: 2.5, PriceOutput: 15, PriceCacheRead: 0.25, PriceCacheWrite: 3.125,
397399 },
398400 }
@@ -6,6 +6,8 @@ import (
6 "sync"6 "sync"
7 )7 )
8 8
9+const openAIContextWindowTarget = 500_000
10+
9 // Model describes a single LLM we know about.11 // Model describes a single LLM we know about.
10 type Model struct {12 type Model struct {
11 Provider string // "anthropic" | "openai"13 Provider string // "anthropic" | "openai"
@@ -337,19 +339,19 @@ var Catalog = []Model{
337 },339 },
338 {340 {
339 Provider: "openai", ID: "gpt-5.6-luna", DisplayName: "GPT-5.6 Luna", API: APIResponses,341 Provider: "openai", ID: "gpt-5.6-luna", DisplayName: "GPT-5.6 Luna", API: APIResponses,
340- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,342+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
341 PriceInput: 1, PriceOutput: 6, PriceCacheRead: 0.1, PriceCacheWrite: 1.25,343 PriceInput: 1, PriceOutput: 6, PriceCacheRead: 0.1, PriceCacheWrite: 1.25,
342 Speculative: true,344 Speculative: true,
343 },345 },
344 {346 {
345 Provider: "openai", ID: "gpt-5.6-sol", DisplayName: "GPT-5.6 Sol", API: APIResponses,347 Provider: "openai", ID: "gpt-5.6-sol", DisplayName: "GPT-5.6 Sol", API: APIResponses,
346- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,348+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
347 PriceInput: 5, PriceOutput: 30, PriceCacheRead: 0.5, PriceCacheWrite: 6.25,349 PriceInput: 5, PriceOutput: 30, PriceCacheRead: 0.5, PriceCacheWrite: 6.25,
348 Speculative: true,350 Speculative: true,
349 },351 },
350 {352 {
351 Provider: "openai", ID: "gpt-5.6-terra", DisplayName: "GPT-5.6 Terra", API: APIResponses,353 Provider: "openai", ID: "gpt-5.6-terra", DisplayName: "GPT-5.6 Terra", API: APIResponses,
352- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,354+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
353 PriceInput: 2.5, PriceOutput: 15, PriceCacheRead: 0.25, PriceCacheWrite: 3.125,355 PriceInput: 2.5, PriceOutput: 15, PriceCacheRead: 0.25, PriceCacheWrite: 3.125,
354 Speculative: true,356 Speculative: true,
355 },357 },
@@ -382,17 +384,17 @@ var Catalog = []Model{
382 },384 },
383 {385 {
384 Provider: "openai-codex", ID: "gpt-5.6-luna", DisplayName: "GPT-5.6 Luna",386 Provider: "openai-codex", ID: "gpt-5.6-luna", DisplayName: "GPT-5.6 Luna",
385- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,387+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
386 PriceInput: 1, PriceOutput: 6, PriceCacheRead: 0.1, PriceCacheWrite: 1.25,388 PriceInput: 1, PriceOutput: 6, PriceCacheRead: 0.1, PriceCacheWrite: 1.25,
387 },389 },
388 {390 {
389 Provider: "openai-codex", ID: "gpt-5.6-sol", DisplayName: "GPT-5.6 Sol",391 Provider: "openai-codex", ID: "gpt-5.6-sol", DisplayName: "GPT-5.6 Sol",
390- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,392+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
391 PriceInput: 5, PriceOutput: 30, PriceCacheRead: 0.5, PriceCacheWrite: 6.25,393 PriceInput: 5, PriceOutput: 30, PriceCacheRead: 0.5, PriceCacheWrite: 6.25,
392 },394 },
393 {395 {
394 Provider: "openai-codex", ID: "gpt-5.6-terra", DisplayName: "GPT-5.6 Terra",396 Provider: "openai-codex", ID: "gpt-5.6-terra", DisplayName: "GPT-5.6 Terra",
395- ContextWindow: 272000, MaxOutput: 128000, Reasoning: true,397+ ContextWindow: openAIContextWindowTarget, MaxOutput: 128000, Reasoning: true,
396 PriceInput: 2.5, PriceOutput: 15, PriceCacheRead: 0.25, PriceCacheWrite: 3.125,398 PriceInput: 2.5, PriceOutput: 15, PriceCacheRead: 0.25, PriceCacheWrite: 3.125,
397 },399 },
398 }400 }
M packages/provider/provider_test.go +6 -6
@@ -655,12 +655,12 @@ func TestGPT56CatalogEntries(t *testing.T) {
655655 cacheRead float64
656656 cacheWrite float64
657657 }{
658- {"openai", "gpt-5.6-luna", 272000, 1, 6, 0.1, 1.25},
659- {"openai", "gpt-5.6-sol", 272000, 5, 30, 0.5, 6.25},
660- {"openai", "gpt-5.6-terra", 272000, 2.5, 15, 0.25, 3.125},
661- {"openai-codex", "gpt-5.6-luna", 272000, 1, 6, 0.1, 1.25},
662- {"openai-codex", "gpt-5.6-sol", 272000, 5, 30, 0.5, 6.25},
663- {"openai-codex", "gpt-5.6-terra", 272000, 2.5, 15, 0.25, 3.125},
658+ {"openai", "gpt-5.6-luna", 500000, 1, 6, 0.1, 1.25},
659+ {"openai", "gpt-5.6-sol", 500000, 5, 30, 0.5, 6.25},
660+ {"openai", "gpt-5.6-terra", 500000, 2.5, 15, 0.25, 3.125},
661+ {"openai-codex", "gpt-5.6-luna", 500000, 1, 6, 0.1, 1.25},
662+ {"openai-codex", "gpt-5.6-sol", 500000, 5, 30, 0.5, 6.25},
663+ {"openai-codex", "gpt-5.6-terra", 500000, 2.5, 15, 0.25, 3.125},
664664 {"azure-openai-responses", "gpt-5.6-luna", 1050000, 1, 6, 0.1, 1.25},
665665 {"azure-openai-responses", "gpt-5.6-sol", 1050000, 5, 30, 0.5, 6.25},
666666 {"azure-openai-responses", "gpt-5.6-terra", 1050000, 2.5, 15, 0.25, 3.125},
@@ -655,12 +655,12 @@ func TestGPT56CatalogEntries(t *testing.T) {
655 cacheRead float64655 cacheRead float64
656 cacheWrite float64656 cacheWrite float64
657 }{657 }{
658- {"openai", "gpt-5.6-luna", 272000, 1, 6, 0.1, 1.25},658+ {"openai", "gpt-5.6-luna", 500000, 1, 6, 0.1, 1.25},
659- {"openai", "gpt-5.6-sol", 272000, 5, 30, 0.5, 6.25},659+ {"openai", "gpt-5.6-sol", 500000, 5, 30, 0.5, 6.25},
660- {"openai", "gpt-5.6-terra", 272000, 2.5, 15, 0.25, 3.125},660+ {"openai", "gpt-5.6-terra", 500000, 2.5, 15, 0.25, 3.125},
661- {"openai-codex", "gpt-5.6-luna", 272000, 1, 6, 0.1, 1.25},661+ {"openai-codex", "gpt-5.6-luna", 500000, 1, 6, 0.1, 1.25},
662- {"openai-codex", "gpt-5.6-sol", 272000, 5, 30, 0.5, 6.25},662+ {"openai-codex", "gpt-5.6-sol", 500000, 5, 30, 0.5, 6.25},
663- {"openai-codex", "gpt-5.6-terra", 272000, 2.5, 15, 0.25, 3.125},663+ {"openai-codex", "gpt-5.6-terra", 500000, 2.5, 15, 0.25, 3.125},
664 {"azure-openai-responses", "gpt-5.6-luna", 1050000, 1, 6, 0.1, 1.25},664 {"azure-openai-responses", "gpt-5.6-luna", 1050000, 1, 6, 0.1, 1.25},
665 {"azure-openai-responses", "gpt-5.6-sol", 1050000, 5, 30, 0.5, 6.25},665 {"azure-openai-responses", "gpt-5.6-sol", 1050000, 5, 30, 0.5, 6.25},
666 {"azure-openai-responses", "gpt-5.6-terra", 1050000, 2.5, 15, 0.25, 3.125},666 {"azure-openai-responses", "gpt-5.6-terra", 1050000, 2.5, 15, 0.25, 3.125},

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