GPT (frontier tier)

OpenAI's flagship reasoning family. Pricing and exact context vary by released variant — check OpenAI's pricing page for current numbers.

name
GPT (frontier tier)
vendor
OpenAI
model_id
see provider
context_window
see provider
max_output
see provider
input_per_mtok
see provider
output_per_mtok
see provider
strengths
OpenAI's flagship reasoning family. Pricing and exact context vary by released variant — check OpenAI's pricing page for current numbers.
provider
OpenAI
family
GPT
release_date
— verify-against-primary-at-build ↗ https://developers.openai.com/api/docs — this row pins no specific GPT variant; record the release date of the pinned variant at build.
last_updated
2026-06-15
open_weights
— verify-against-primary-at-build ↗ https://openai.com — OpenAI's flagship GPT API models are not open-weight, but open-weight gpt-oss variants exist; confirm per pinned variant at build.
license
proprietary source
params_total
— verify-against-primary-at-build ↗ OpenAI does not disclose parameter counts for its flagship GPT API models.
params_active
— verify-against-primary-at-build ↗ OpenAI does not disclose parameter counts for its flagship GPT API models.
tool_call
true source
reasoning
— verify-against-primary-at-build ↗ https://developers.openai.com/api/docs — reasoning mode varies by variant (reasoning-series vs standard GPT); confirm per pinned variant at build.
structured_output
— verify-against-primary-at-build ↗ https://developers.openai.com/api/docs/guides/structured-outputs — Structured Outputs are documented for OpenAI models; confirm coverage for the pinned variant at build.
attachment
— verify-against-primary-at-build ↗ https://developers.openai.com/api/docs — input modalities vary by variant; confirm per pinned variant at build.
temperature
— verify-against-primary-at-build ↗ https://developers.openai.com/api/docs — temperature support varies (reasoning models restrict it); confirm per pinned variant at build.
knowledge_cutoff
— verify-against-primary-at-build ↗ https://developers.openai.com/api/docs/models — knowledge cutoff varies by variant; confirm per pinned variant at build.
context_advertised
see provider verify-against-primary-at-build ↗ https://developers.openai.com/api/docs/models — context window varies by variant; deferred to provider per the live record's discipline.
context_effective
— verify-against-primary-at-build ↗ No measured effective-context value sourced for a pinned OpenAI variant.
price_input
see provider verify-against-primary-at-build ↗ https://openai.com/api/pricing/ — input price varies by variant; deferred to provider (we will not print a price we cannot vouch for).
price_output
see provider verify-against-primary-at-build ↗ https://openai.com/api/pricing/ — output price varies by variant; deferred to provider.
price_cache_read
— verify-against-primary-at-build ↗ https://openai.com/api/pricing/ — cached-input price varies by variant; confirm at build.
price_cache_write
— verify-against-primary-at-build ↗ https://openai.com/api/pricing/ — confirm cache-write semantics/price per variant at build.
cost_per_full_window
— verify-against-primary-at-build ↗ Derivable only once a pinned variant's price + context are confirmed.
cost_per_agent_task
— verify-against-primary-at-build ↗ Derivable only once a pinned variant's cache-aware pricing is confirmed.
modalities
— verify-against-primary-at-build ↗ https://developers.openai.com/api/docs/models — modality arrays vary by variant; confirm per pinned variant at build.
gpqa_diamond
— verify-against-primary-at-build ↗ https://artificialanalysis.ai/ — per pinned GPT variant at build.
swe_bench_verified
— verify-against-primary-at-build ↗ https://www.swebench.com/ — per pinned GPT variant at build.
terminal_bench
— verify-against-primary-at-build ↗ https://www.tbench.ai/ — per pinned GPT variant at build.
tau2_bench
— verify-against-primary-at-build ↗ Primary τ²-Bench leaderboard — per pinned GPT variant at build.
bfcl_tool_use
— verify-against-primary-at-build ↗ https://gorilla.cs.berkeley.edu/leaderboard.html — per pinned GPT variant at build.
aa_index
— verify-against-primary-at-build ↗ https://artificialanalysis.ai/ — per pinned GPT variant at build.
lmarena_elo
— verify-against-primary-at-build ↗ https://lmarena.ai/leaderboard — per pinned GPT variant at build.
tokens_per_sec
— verify-against-primary-at-build ↗ https://artificialanalysis.ai/ — per pinned GPT variant at build.
ttft
— verify-against-primary-at-build ↗ https://artificialanalysis.ai/ — per pinned GPT variant at build.
hallucination_rate
— verify-against-primary-at-build ↗ Per pinned GPT variant at build from a primary source.
agent_readiness_score
— verify-against-primary-at-build ↗ Score withheld: row pins no specific GPT variant, so no input beyond tool_call is sourced. Pin a variant, then compute per /models/agent-readiness-score.
score_confidence
partial
source_url
https://developers.openai.com/api/docs/guides/function-calling
source_type
provider_card
last_verified
2026-06-15

← all The Frontier Model Matrix · .md · JSON