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Constraint stability side by side — pricing, limits, model availability, transparency. Based on tracked changes (not capability benchmarks).

Stable = no recent tightening

Shifting = some recent changes

Volatile = frequent recent tightening

01 / FULL MATRIX

AUDIO

ToolVerdictPricingLimitsModelsTransparency90dLast change
ElevenLabsCautionStable100Stable100Volatile62Stable1009Optional admin-set control: workspace admins can cap monthly credit consumption for new invitees. User-side budgeting capability, not a vendor-imposed limit. (Jul 2026)

CHAT

ToolVerdictPricingLimitsModelsTransparency90dLast change
Character.AIStableStable100Stable100Stable95Stable1000Complete removal of the primary use-case for under-18 users; CEO acknowledged expected churn (Oct 2025)
ChatGPTStableStable100Stable99Stable93Stable1000New $100 Pro mid-tier (Apr 2026)
ClaudeWatchStable100Shifting86Stable88Shifting8411Adds access to a new model version for Pro users. (Jul 2026)
DeepSeekCautionVolatile40Stable99Stable91Stable10021DeepSeek V4 Flash input price $0.0938 → $0.0980 per 1M tokens (+4%) (Jul 2026)
GeminiStableStable100Shifting82Stable100Stable928A newly listed Gemini feature (Gemini Spark) is available in the US only at launch; not a restriction of previously available access. (Jul 2026)
GrokWatchStable100Stable100Stable100Stable8910Adds new automation capabilities to the Grok platform. (Jul 2026)
Mistral Le ChatCautionShifting79Stable100Stable100Stable1004Adds a new model capability for embodied navigation. (Jul 2026)
PerplexityWatchStable100Volatile64Stable100Volatile641Promo-account queries throttled (May 2026)
PoeStableStable99Stable100Stable100Stable1000Lower entry price for light users; the cheap tier is daily-capped vs the monthly-pooled higher tiers (Nov 2024)

CODING

ToolVerdictPricingLimitsModelsTransparency90dLast change
Bolt.newStableStable100Stable100Stable100Stable1001Adds new capability for generating presentations and interactive experiences. (Jul 2026)
CursorWatchStable89Stable95Stable100Stable1007Adds new functionality for managing chat context and history. (Jul 2026)
DevinWatchStable92Stable91Stable94Stable1003Changes the metric for session sizing to focus exclusively on ACU consumption, potentially increasing cost visibility or impact for high-message-volume users. (Jul 2026)
GitHub CopilotCautionShifting83Stable95Volatile67Stable10037Improved visibility and management of AI credit allocation for cost centers. (Jul 2026)
LovableWatchStable100Stable100Stable94Stable10010Users on downgraded plans will have the 'Edit with Lovable' badge automatically re-enabled upon their next publish. (Jul 2026)
ReplitStableShifting85Stable98Stable100Stable964Reduces friction by enabling direct workflow integration between Claude and Replit. (Jun 2026)
TabnineCautionStable97Shifting81Shifting77Stable10010Prevents users from bypassing disabled model settings via client-side manipulation, ensuring strict adherence to administrative model access policies. (Jul 2026)
v0StableStable92Stable100Stable100Stable9717Restores access to a specific model on the AI Gateway, reducing model-specific constraints. (Jul 2026)
WindsurfStableStable90Stable100Stable100Stable1003Allows users to manage network access policies directly within the chat interface, reducing the need to switch contexts to the web app. (Jul 2026)

IMAGE

ToolVerdictPricingLimitsModelsTransparency90dLast change
IdeogramStableStable100Stable100Stable100Stable1001Self-hosters can drop API dependency/billing lock-in entirely (Jun 2026)
Leonardo.aiStableStable100Stable100Stable100Stable1000Roadmap risk of shifting toward enterprise/Canva integration over individual creators (Jul 2024)
MidjourneyStableStable98Stable100Stable100Stable1003Adds new functionality for V8.1, expanding user capabilities. (Jun 2026)

MUSIC

ToolVerdictPricingLimitsModelsTransparency90dLast change
SunoStableStable95Stable100Stable93Stable1001Adds a new advanced stem separation feature restricted to Premier subscribers. (Jun 2026)

PRODUCTIVITY

ToolVerdictPricingLimitsModelsTransparency90dLast change
Notion AIStableStable89Stable98Stable100Stable1006Adds new capabilities for agents to manage schedules and calendar events directly via chat. (Jul 2026)

VIDEO

ToolVerdictPricingLimitsModelsTransparency90dLast change
HeyGenWatchStable93Stable92Stable92Stable1003New features added including live avatar APIs and cloud rendering capabilities. (Jul 2026)
Kling AIStableStable100Stable100Stable94Stable1000Pro/Premier subscribers locked out of the flagship model at launch — must upgrade to Ultra (~$180/mo) for day-one access (Feb 2026)
Luma Dream MachineStableStable95Stable97Stable99Stable941Adds new workflow automation capabilities for users. (Jun 2026)
RunwayCautionStable100Stable100Shifting86Stable1001Users lose unlimited slow-lane drafting; every generation now costs credits (though Max gives ~4x more credits than Unlimited's 2,250) (Jun 2026)
SoraStableStable100Stable92Stable100Stable1000Free-tier creators effectively blocked from iterative daily use (Nov 2025)
SynthesiaStableStable100Stable98Stable98Stable1000Annual subscribers benefit; monthly subscribers see no relief — pressure to commit annually (Sep 2025)

02 / HEAD-TO-HEAD

Curated same-category comparisons — constraint history side by side.