Confirmed on 2026-11-04 on the official page by two independent automated readings with a verbatim quote: “| ChatGPT | chat-latest | $5.00 | $30.00 | $0.50 |”
Confirmed on 2026-11-04 on the official page by two independent automated readings with a verbatim quote: “gpt-5.5 (<272K context length) | $2.50 | $15.00 | $0.25”
gpt-5.5 · Batch / short context · API · Batch / short context · USD
Confirmed on 2026-11-04 on the official page by two independent automated readings with a verbatim quote: “gpt-5.4 (<272K context length) | $1.25 | $7.50 | $0.13”
gpt-5.4 · Batch / short context · API · Batch / short context · USD
Confirmed on 2026-11-04 on the official page by two independent automated readings with a verbatim quote: “gpt-5.4-pro (<272K context length) | $15.00 | $90.00”
gpt-5.4-pro · Batch / short context · API · Batch / short context · USD
Confirmed on 2026-11-04 on the official page by two independent automated readings with a verbatim quote: “gpt-5.5-pro (<272K context length) | $15.00 | $90.00”
gpt-5.5-pro · Batch / short context · API · Batch / short context · USD
Confirmed on 2026-11-03 on the official page by two independent automated readings with a verbatim quote: “MaxFor people who work with Claude all dayFrom $100Per month”
Confirmed on 2026-11-03 on the official page by two independent automated readings with a verbatim quote: “Models and usageFeaturesFreeProMax 5xMax 20xFableMore informationNoUsage credits50% of weekly limits*50% of weekly limits*OpusNoYesYesYesSonnetYesYesYesYes”
Confirmed on 2026-11-03 on the official page by two independent automated readings with a verbatim quote: “Sonnet 5.5High-performance model for coding and agentsPrompt cachingRead$0.10 / MTokWrite$2.50 / MTokInput$2 / MTokOutput$10 / MTokHaiku 5.5”
Confirmed on 2026-11-02 on the official page by two independent automated readings with a verbatim quote: “Fable 5.1Next generation intelligence for long-running agentsPrompt cachingRead$0.25 / MTokWrite$12.50 / MTokInput$10 / MTokOutput$50 / MTok”
Confirmed on 2026-11-02 on the official page by two independent automated readings with a verbatim quote: “Sonnet 5.5High-performance model for coding and agentsPrompt cachingRead$0.10 / MTokWrite$2.50 / MTokInput$2 / MTokOutput$10 / MTok”
Confirmed on 2026-11-02 on the official page by two independent automated readings with a verbatim quote: “Opus 5.5Daily driver for agentic coding and enterprise workPrompt cachingRead$0.20 / MTokWrite$5 / MTokInput$4 / MTokOutput$20 / MTok”
Confirmed on 2026-11-02 on the official page by two independent automated readings with a verbatim quote: “$20/monthGet Plus Codex on the web, in the CLI, in the IDE extension, and on iOS Cloud-based integrations like automatic code review and Slack integration GPT-6.1 Sol and GPT-6 Luna”
Confirmed on 2026-11-02 on the official page by two independent automated readings with a verbatim quote: “$20/monthGet Plus Codex on the web, in the CLI, in the IDE extension, and on iOS Cloud-based integrations like automatic code review and Slack integration GPT-6.1 Sol and GPT-6 Luna”
Confirmed on 2026-11-01 on the official page by two independent automated readings with a verbatim quote: “ProFor everyday work$17Per month with annual subscription discount ($200 billed up front).”
Confirmed on 2026-11-01 on the official page by two independent automated readings with a verbatim quote: “Use Codex for lightweight coding tasks.$8/monthGet Go GPT-6 Luna at Standard speed in the desktop app, subject to rollout”
Confirmed on 2026-11-01 on the official page by two independent automated readings with a verbatim quote: “| gpt-4-turbo-2024-04-09 | $10.00 | $30.00 | - |”
gpt-4-turbo-2024-04-09 · Standard · API · Standard · USD
Meta published this Muse model announcement. An open-weight release does not establish free hosted App or API access; model identity, plans and independently assessed capabilities remain separate.
Muse Spark Open
Before
Not documented — no earlier value is inferred.
After
Model
Muse Spark Open
Availability
publisher_announcement
Documentary confirmation
18 Oct 2026, 04:07 UTC
Provider announcement
2026-10-15
Effective date
Not specified by the source
Detected by scor.es
17 Oct 2026, 03:49 UTC
Revised verification · revision 3 · 18 Oct 2026, 04:07 UTC. Earlier evidence and decisions are preserved in our audit history.
Meta published this Muse model announcement. An open-weight release does not establish free hosted App or API access; model identity, plans and independently assessed capabilities remain separate.
Muse Wonder
Before
Not documented — no earlier value is inferred.
After
Model
Muse Wonder
Availability
publisher_announcement
Documentary confirmation
18 Oct 2026, 04:07 UTC
Provider announcement
2026-10-12
Effective date
Not specified by the source
Detected by scor.es
17 Oct 2026, 03:49 UTC
Revised verification · revision 3 · 18 Oct 2026, 04:07 UTC. Earlier evidence and decisions are preserved in our audit history.
Google documented replacement of this identifier. AI Studio no longer selects the original version and API requests route to the replacement. Scores are not transferred between versions.
Google documented replacement of this identifier. AI Studio no longer selects the original version and API requests route to the replacement. Scores are not transferred between versions.
Anthropic reduced the documented Claude Sonnet cache-read price. Cache writes and other token prices are unchanged; this is an API price change, not free consumer access.
Anthropic documented a new Claude model on its API. This announcement does not establish free App access, effort equivalence or an independently verified performance improvement.
claude-haiku-5-5 · API
Before
Not documented — no earlier value is inferred.
After
Model
claude-haiku-5-5
Availability
announced
Documentary confirmation
18 Oct 2026, 04:07 UTC
Provider announcement
2026-10-07
Effective date
Not specified by the source
Detected by scor.es
17 Oct 2026, 03:49 UTC
Revised verification · revision 3 · 18 Oct 2026, 04:07 UTC. Earlier evidence and decisions are preserved in our audit history.
Mistral published this model announcement. Preview status, hosting, availability of weights and prices must be checked separately; no independent benchmark improvement is asserted.
Mistral Large 4
Before
Not documented — no earlier value is inferred.
After
Model
Mistral Large 4
Availability
publisher_announcement
Documentary confirmation
18 Oct 2026, 04:07 UTC
Provider announcement
2026-10-06
Effective date
Not specified by the source
Detected by scor.es
17 Oct 2026, 03:49 UTC
Revised verification · revision 3 · 18 Oct 2026, 04:07 UTC. Earlier evidence and decisions are preserved in our audit history.
Anthropic documented a new Claude model on its API. This announcement does not establish free App access, effort equivalence or an independently verified performance improvement.
claude-sonnet-5-5 · API
Before
Not documented — no earlier value is inferred.
After
Model
claude-sonnet-5-5
Availability
announced
Documentary confirmation
18 Oct 2026, 04:07 UTC
Provider announcement
2026-09-28
Effective date
Not specified by the source
Detected by scor.es
17 Oct 2026, 03:49 UTC
Revised verification · revision 3 · 18 Oct 2026, 04:07 UTC. Earlier evidence and decisions are preserved in our audit history.
Anthropic documented a new Claude model on its API. This announcement does not establish free App access, effort equivalence or an independently verified performance improvement.
claude-opus-5-5 · API
Before
Not documented — no earlier value is inferred.
After
Model
claude-opus-5-5
Availability
announced
Documentary confirmation
18 Oct 2026, 04:07 UTC
Provider announcement
2026-09-22
Effective date
Not specified by the source
Detected by scor.es
17 Oct 2026, 03:49 UTC
Revised verification · revision 3 · 18 Oct 2026, 04:07 UTC. Earlier evidence and decisions are preserved in our audit history.
xAI documented availability of this model on its API. Regional availability, paid plan variants and inference settings remain separate conditions; no free tier or comparative score is inferred.
grok-4.7 · API
Before
Not documented — no earlier value is inferred.
After
Model
grok-4.7
Availability
announced
Documentary confirmation
18 Oct 2026, 04:07 UTC
Provider announcement
2026-09-21
Effective date
Not specified by the source
Detected by scor.es
17 Oct 2026, 03:49 UTC
Revised verification · revision 3 · 18 Oct 2026, 04:07 UTC. Earlier evidence and decisions are preserved in our audit history.