Is GPT-5.6 Luna out yet?
Yes.
About GPT-5.6 Luna
OpenAI's GPT-5.6 Luna model, tracked with official availability evidence and vendor-reported HealthBench results.
How we confirmed it
Released via the API
July 9, 2026 at 12:00 PM UTC
An administrator marked this model available (silently).
Open detection source →Release timeline
- 2026-07-09T22:47:30.794Z First official availability observed
- 2026-07-09T22:47:30.794Z Availability confirmed after the second check
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Benchmarks
HealthBench Professionalvendor-reported
GPT-5.6 Luna · via openai-system-card · captured Jul 10, 2026 · source
55.7
HealthBenchvendor-reported
GPT-5.6 Luna · via openai-system-card · captured Jul 10, 2026 · source
55.8
HealthBench Hardvendor-reported
GPT-5.6 Luna · via openai-system-card · captured Jul 10, 2026 · source
32
HealthBench Consensusvendor-reported
GPT-5.6 Luna · via openai-system-card · captured Jul 10, 2026 · source
95.1
Coding#16
GPT-5.6 Luna · via BenchLM.ai · captured Oct 14, 2026 · source
61.67
Agentic#37
GPT-5.6 Luna · via BenchLM.ai · captured Oct 14, 2026 · source
56.26
Knowledge#38
GPT-5.6 Luna · via BenchLM.ai · captured Oct 14, 2026 · source
64.53
MultimodalGrounded#19
GPT-5.6 Luna · via BenchLM.ai · captured Oct 14, 2026 · source
79.6
GDP.pdf
GPT 5.6 Luna · via Epoch AI · captured Aug 25, 2026 · source
22.7
Reasoning#28
GPT-5.6 Luna · via BenchLM.ai · captured Oct 14, 2026 · source
58.2
LM Arena#75
gpt-5.6-luna-xhigh · via LM Arena · 41,103 votes · captured Oct 14, 2026 · source
1452.509427905681
Sourced metrics mirrored with attribution - not community sentiment.
Data from BenchLM.ai.
Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0).
Vibe rating
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Model Pulse
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Community consensus
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OutYet reporting
- GPT-5.6 gets two AWS routes: Kiro for structured coding and Bedrock for regional deployment
OpenAI's Kiro integration and AWS's Bedrock documentation show that GPT-5.6 access now differs materially by workflow, model tier, and data-residency requirement.
- GPT-5.6 reaches Kiro, while Bedrock availability remains variant- and region-specific
OpenAI's Kiro integration brings the GPT-5.6 family into a spec-driven coding workflow, but the documented cost result and AWS deployment options apply to specific variants and scopes.
- AWS adds India-bound GPT-5.6 inference profiles for Terra and Luna
Amazon Bedrock now offers India geographic inference profiles for GPT-5.6 Terra and Luna, pairing in-country routing with OpenAI-compatible and Bedrock-native APIs.
- AWS adds India-bound routing for GPT-5.6 Terra and Luna on Bedrock
AWS has introduced India geographic inference profiles for GPT-5.6 Terra and Luna on Amazon Bedrock, giving teams with India data-residency requirements a capacity-routing option that stays within two Indian AWS Regions.
- GPT-5.6 in Kiro makes model choice a cost-control decision
OpenAI's Kiro integration puts GPT-5.6 Sol, Terra, and Luna in one spec-driven coding environment, but the documented price tiers and experimental status matter as much as the provider's performance claims.
- AWS adds India-bound Bedrock paths for GPT-5.6 Terra and Luna
Amazon Bedrock now provides India geographic inference profiles for two GPT-5.6 variants, giving teams a region-bounded routing option while preserving OpenAI-compatible API access.
- GPT-5.6 on Bedrock adds an India-residency path, but only for Terra and Luna
AWS has added India geographic inference profiles for GPT-5.6 Terra and Luna. The change matters for data-residency deployments, while Sol remains a global-profile option rather than an in-country one.
- GPT-5.6 reaches Kiro, with an integration boundary developers should watch
OpenAI says GPT-5.6 is available in Kiro, but Kiro's own model documentation and AWS deployment guidance show why developers should distinguish an IDE integration from direct API or Bedrock operating conditions.
- Bedrock gives GPT-5.6 Sol a routing choice, not a new speed tier
An operational read of Amazon Bedrock's new cross-Region path for GPT-5.6 Sol and its tradeoffs for production teams.
- GPT-5.6 Sol gets a ChatGPT-specific tuning pass, not a new Work or Codex model
OpenAI's August 6 update changes GPT-5.6 Sol behavior inside ChatGPT and adds an effort control, while explicitly leaving the Work and Codex versions untouched.
- GPT-5.6 Sol gets a faster lane while OpenAI cuts prices below it
OpenAI's latest GPT-5.6 update leaves Sol's standard API price intact but replaces Priority Processing with Fast mode, while lower-tier Terra and Luna receive substantial price reductions.
- GPT-5.6’s latest change is about operating cost, not a new model tier
OpenAI has reduced GPT-5.6 Luna and Terra pricing and replaced priority processing for Sol with Fast mode. AWS’s new Bedrock integration adds a concrete path to capture repeated-context savings, but the benefit depends on workload shape.
- AWS's GPT-5.6 guide makes the deployment trade-offs more concrete
A new Amazon Bedrock implementation guide clarifies how GPT-5.6 Sol, Terra, and Luna fit into an AWS-controlled inference path, including the regions, caching mechanics, and retention caveat engineers need to evaluate.
- AWS Adds GPT-5.6 Sol to Bedrock With an OpenAI-Compatible Path
Amazon Bedrock now exposes GPT-5.6 Sol, Terra, and Luna through a dedicated OpenAI Responses API endpoint. The useful story for engineering teams is not merely another hosting option, but the operational differences in context limits, credentials, caching, and data handling.
- GPT-5.6 Sol gains a Bedrock route, but deployment is not a zero-config switch
AWS has added GPT-5.6 Sol, Terra, and Luna to Bedrock through a distinct OpenAI-compatible endpoint, creating a practical deployment option with regional, authentication, and integration constraints.
- AWS gives GPT-5.6 an enterprise integration path through Bedrock
AWS has documented GPT-5.6 Sol, Terra, and Luna for Amazon Bedrock, pairing the model family with regional inference, IAM controls, and explicit prompt-cache breakpoints. The material change is an additional deployment surface, with region and data-retention constraints that technical teams still need to assess.
- AWS adds GPT-5.6 models to Bedrock, with caching and region limits
The Bedrock route brings GPT-5.6 Sol, Terra, and Luna to AWS customers through the Responses API. The practical details are the cache controls, data-handling terms, and uneven regional footprint.
- AWS adds GPT-5.6 tiers to Bedrock, with regional and routing constraints
The new Bedrock path gives AWS customers GPT-5.6 Sol, Terra, and Luna through existing cloud controls, but the flagship tier has a narrower regional footprint and the performance case remains provider-reported.
- AWS adds a new deployment path for GPT-5.6 workloads
AWS's GPT-5.6 Bedrock announcement is chiefly an operational change: teams can weigh region, caching, identity controls, and existing AWS commitments alongside model tier and benchmark claims.
- AWS adds GPT-5.6 Sol, Terra, and Luna to Amazon Bedrock
AWS says the GPT-5.6 family is available through Bedrock, adding a cloud-platform route shortly after OpenAI's own general-availability announcement.
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