GPT-chat-latest
Fresh input / cached input / output cost breakdown, active and scheduled rates, provenance, same-model deployment markup, and cost-comparable alternatives for this purchasable lane.
Illustrative workloads
Pick a useful starting shape, then fine-tune every input below.
Workload and pricing scenario
Adjust the token shape, cache behavior, time window, and service tier. Every number below updates immediately.
Workload cost calculator
Share of input tokens served from cache. Applied only to models with a cache meter.
Rows with a rate that changes by time of day, promo window or service tier are priced for this scenario instead of their flat listed rate; a brand-colored label under the model name names which one applies. Context size for band-priced rows uses the input-token count below.
Picking a specific hour also previews time-of-day rates that are scheduled but have not started billing yet; those rows are labelled · preview with their start instant. Now only ever shows rates that are billable at this moment.
What this lane charges right now
Priced under the workload and scenario above. The full published schedule below always shows every variant regardless of which scenario is selected.
Where this workload's cost goes
60M input tokens (90% cache hit) and 210K output tokens, at the resolved rate above.
$30.00 + $27.00 + $6.30 = $63.30
How much to trust these numbers
Dynamic alias for the latest Instant model used in ChatGPT. OpenAI recommends GPT-6 Astra for production API usage.
OpenAI's official `chat-latest` model page, captured 2026-10-15, lists a 400,000-token context window, 128,000 max output, and $5/$0.50/$30 per M input/cached-input/output. The OpenAI API pricing page confirms the same rate. The underlying alias is regularly updated.
Same-model deployment markup
How much more Microsoft Foundry charges for this exact model, over this Direct rate.
| Lane | Deployment | Workload cost | Foundry markup |
|---|---|---|---|
| GPT-chat-latest Microsoft Foundry (`gpt-chat-latest`, Preview) | Foundry ·Global | $63.30 | $0.00 (0%) |
Other lanes within ±25% of this workload's cost
Same provider first, then ranked by cost proximity, for 60M in / 210K out. This is a cost ranking only — never a quality recommendation.
- GPT-5.5OpenAI / Azure OpenAISame providerFoundry ·Global$63.30CHF 50.96$0.00 (0%) vs this lane
- GPT-chat-latestOpenAI / Azure OpenAI · Microsoft Foundry (`gpt-chat-latest`, Preview)Same providerFoundry ·Global$63.30CHF 50.96$0.00 (0%) vs this lane
- GPT-Rosalind ResearchOpenAI / Azure OpenAI · OpenAI direct APISame providerDirect API$62.25CHF 50.11-$1.05 (-2%) vs this lane
- GPT-5.5OpenAI / Azure OpenAISame providerFoundry ·Data Zone$69.63CHF 56.05+$6.33 (+10%) vs this lane
- GPT-5.6 SolOpenAI / Azure OpenAISame providerFoundry ·Data Zone$54.78CHF 44.10-$8.52 (-13%) vs this lane
- GPT-6 Sol Long ContextOpenAI / Azure OpenAISame providerFoundry ·Data Zone$53.63CHF 43.17-$9.67 (-15%) vs this lane