RETIRING IN 437 DAYS
Sunset scheduled for 2028-01-11, reported by a third-party catalog. The identifier still resolves today. Sources disagree on: context_tokens, input_price_per_mtok, output_price_per_mtok.
state=dying sunset=2028-01-11 days_remaining=437 severity=high sources=litellm,openrouter evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=yes divergent_fields=context_tokens,input_price_per_mtok,output_price_per_mtok checked=2026-10-31 05:09Z
openai/gpt-5.6-luna
Vendor: openai. Tracked by 2 of 5 sources.
What each source reports
| Source | ID | Context | Max out | In $/Mtok | Out $/Mtok | Sunset |
|---|---|---|---|---|---|---|
| litellm | azure/eu/gpt-5.6-luna | 922,000 | 128,000 | $0.22 | $1.32 | 2028-01-11 |
| openrouter | openai/gpt-5.6-luna | 1,050,000 | 128,000 | $0.2 | $1.2 | — |
Change history
| Severity | Change | What | Detected |
|---|---|---|---|
| low | added | new model kyma/gpt-5.6-luna (1,050,000 ctx) | 2026-10-29 |
| low | added | new model zerogpu/gpt-5.6-luna (272,000 ctx) | 2026-10-28 |
| high | modified | global.openai.gpt-5.6-luna: context_tokens cut 1,050,000 to 922,000 | 2026-10-27 |
| high | modified | us.openai.gpt-5.6-luna: context_tokens cut 1,050,000 to 922,000 | 2026-10-27 |
| low | added | new model opencode_go/gpt-5.6-luna (922,000 ctx) | 2026-10-24 |
| info | repriced | github_copilot/gpt-5.6-luna: input_price_per_mtok n/a to $0.20/Mtok | 2026-10-17 |
| info | repriced | github_copilot/gpt-5.6-luna: output_price_per_mtok n/a to $1.20/Mtok | 2026-10-17 |
| info | repriced | github_copilot/gpt-5.6-luna: cache_read_price_per_mtok n/a to $0.02/Mtok | 2026-10-17 |
| low | modified | gpt-5.6-luna: capabilities gained tool_search | 2026-10-15 |
| low | added | new model github_copilot/gpt-5.6-luna (200,000 ctx) | 2026-10-10 |
| medium | removed | [one catalog only — litellm, openrouter still list it] openrouter/openai/gpt-5.6-luna is no longer listed by this source — calls to it are expected to fail | 2026-10-09 |
| low | modified | global.openai.gpt-5.6-luna: context_tokens raised 1,000,000 to 1,050,000 | 2026-10-09 |
| low | modified | us.openai.gpt-5.6-luna: context_tokens raised 1,000,000 to 1,050,000 | 2026-10-09 |
| low | modified | global.openai.gpt-5.6-luna: capabilities gained bedrock_runtime_chat_completions_response_format | 2026-10-03 |
| low | modified | us.openai.gpt-5.6-luna: capabilities gained bedrock_runtime_chat_completions_response_format | 2026-10-03 |
| low | modified | openai/gpt-5.6-luna: capabilities gained verbosity | 2026-10-01 |
| high | modified | openai/gpt-5.6-luna: capabilities lost verbosity | 2026-10-01 |
| low | modified | openai/gpt-5.6-luna: capabilities gained verbosity | 2026-09-30 |
| low | modified | chatgpt/gpt-5.6-luna: capabilities gained none_reasoning_effort, reasoning, xhigh_reasoning_effort | 2026-09-26 |
| low | modified | openrouter/openai/gpt-5.6-luna: capabilities gained web_search | 2026-09-19 |
| low | modified | openrouter/openai/gpt-5.6-luna: context_tokens raised 922,000 to 1,050,000 | 2026-09-18 |
| low | added | new model aihubmix/gpt-5.6-luna (1,050,000 ctx) | 2026-09-16 |
| low | modified | global.openai.gpt-5.6-luna: capabilities gained max_reasoning_effort, xhigh_reasoning_effort | 2026-09-13 |
| low | modified | us.openai.gpt-5.6-luna: capabilities gained max_reasoning_effort, xhigh_reasoning_effort | 2026-09-13 |
| low | added | new model chatgpt/gpt-5.6-luna (1,050,000 ctx) | 2026-09-10 |
| low | added | new model openrouter/openai/gpt-5.6-luna (922,000 ctx) | 2026-09-06 |
| low | modified | global.openai.gpt-5.6-luna: capabilities gained reasoning | 2026-08-28 |
| low | modified | us.openai.gpt-5.6-luna: capabilities gained reasoning | 2026-08-28 |
| low | added | new model global.openai.gpt-5.6-luna (1,000,000 ctx) | 2026-08-23 |
| low | added | new model us.openai.gpt-5.6-luna (1,000,000 ctx) | 2026-08-23 |
| high | modified | azure/eu/gpt-5.6-luna: context_tokens cut 1,050,000 to 922,000 | 2026-08-21 |
| high | modified | azure/gpt-5.6-luna: context_tokens cut 1,050,000 to 922,000 | 2026-08-21 |
| high | modified | azure/us/gpt-5.6-luna: context_tokens cut 1,050,000 to 922,000 | 2026-08-21 |
| high | modified | gpt-5.6-luna: context_tokens cut 1,050,000 to 922,000 | 2026-08-21 |
| low | modified | gpt-5.6-luna: capabilities gained prompt_cache_breakpoint | 2026-08-21 |
| medium | repriced | openai/gpt-5.6-luna: input_price_per_mtok $0.10/Mtok to $0.20/Mtok | 2026-08-17 |
| medium | repriced | openai/gpt-5.6-luna: output_price_per_mtok $0.60/Mtok to $1.20/Mtok | 2026-08-17 |
| medium | repriced | openai/gpt-5.6-luna: cache_read_price_per_mtok $0.01/Mtok to $0.02/Mtok | 2026-08-17 |
| medium | deprecated | azure/eu/gpt-5.6-luna: deprecation announced for 2028-01-11 — in 517 days | 2026-08-12 |
| medium | deprecated | azure/gpt-5.6-luna: deprecation announced for 2028-01-11 — in 517 days | 2026-08-12 |