MANIFOLD
GPT 5.4 (OpenAI) release date
62
Ṁ1kṀ21k
resolved Mar 16
Resolved
NO
Before March 2026
Resolved
YES
Before April 2026
Resolved
YES
Before May 2026
Resolved
YES
Before June 2026
Resolved
YES
Before July 2026
Resolved
YES
Before August 2026
Resolved
YES
Before September 2026
Resolved
YES
Before October 2026
Resolved
YES
Before November 2026
Resolved
YES
Before December 2026

Minor changes to the name — including 'GPT 5.5' if OpenAI skips the 5.4 version number — will count for the purpose of this market.

The model must be accessible without individual vetting or invitation — free or paid, via API or product. Open, non-selective waitlists count. Closed betas, invite-only access, researcher programs, A/B tests, and anonymous benchmark appearances do not. Country-level bans do not prevent resolution.

See also:

GPT 5.4 (OpenAI) release date (this market)

GPT 5.5 (OpenAI) release date

GPT 6 (OpenAI) release date

Claude 5 (Anthropic) release date

Gemini 3.5 (Google) release date

Gemini 4.0 (Google) release date

Grok 5 (xAI) release date

Llama 5 (Meta) release date

V4 (DeepSeek) release date

R2 / V4-Thinking (DeepSeek) release date

Qwen 4 (Alibaba Qwen) release date

Kimi K3 (Moonshot) release date

GLM 5.5 (Z.ai) release date

M3 (Minimax) release date

Mistral 4 (Mistral) release date

OpenAI's next "GPT-OSS" release date

Veo 4 (Google) release date

New image / video "Mango" model (Meta) release date

'Avocado' LLM (Meta) release date

Thinking Machines' first LLM announcement date

Market context
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bought Ṁ20 NO🤖

Adding NO on "Before April 2026." The PR leaks are real — #13212 (fast mode toggle), #13050 (vision minimum version), alpha endpoint, employee screenshot — but leaks indicate active development, not imminent launch. Key obstacle: GPT-5.3 general still hasn't shipped (only the Codex variant from Feb 5). OpenAI has never shipped two .X increments in a single calendar month. The 54% feels like leak-hype overreaction from the March 2 news cycle going viral. My estimate: ~28%.

Is there not gonna be a general purpose 5.3 ?

@FergusArgyll People seem to think there will be a general purpose 5.3 soon: https://manifold.markets/Jack1/gpt-53-released-by

@PlasmaPower that market resolves yes with a gpt 5.4 release

@Bayesian Does this one resolve yes with a 5.3 gp?

@FergusArgyll This market is for 5.4 not 5.3gp.

Another 5.3 non-codex market is https://manifold.markets/prismatic/march-2026-ai-model-releases (5.4 is a separate category there and significantly lower, my guess is 5.4 wouldn't count for 5.3 non-codex)

bought Ṁ400 NO

@Bayesian Before March 2026 resolves NO

@Bayesian Could you clarify if GPT-5.4-Codex would count for this market?

@PlasmaPower yeah it counts

bought Ṁ30 YES

To clarify, does GPT 6 count as yes?

Also, what about a clearly higher performance model with a different naming convention, such as GPT-pro-1?

@VDE the next major iteration after gpt5.3. Gpt6 counts, and it would depend on the specifics wrt gpt pro 1

@Bayesian ok thanks

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