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HomeModelsOpenAI: GPT-5.1
OpenAIBalanced

OpenAI: GPT-5.1

A solid, practical upgrade over GPT-4o that hits the sweet spot between capability and cost — but not the best in any single category.

85
Coding
78
Writing
82
Research
20
Images
55
Value
84
Long Context
Use this when

Teams needing reliable, high-quality outputs across coding, writing, and analysis without paying premium GPT-5 prices.

Skip this if

You need the highest-tier reasoning (use o3), low-cost bulk generation (use GPT-4o mini or Claude Haiku), or native image output.

Pricing
$1.25/1M in
$10.00/1M out
→0%since May 2026
Context
400k tokens
Speed
Balanced

Pricing structure heavily favors input-heavy use cases like RAG and retrieval. The $10/1M output cost makes it expensive for long-form generation at scale. Context window of 400K is competitive but not best-in-class against Gemini 3.1 Pro's 1M+ window.

How to access
API
$1.25/1M input tokens
Subscription = chat interface. API = build with it. Compare all subscription plans
Switch to instead if...
Best overall
Claude Fable 5
Cheaper option
Meta: Llama 3.1 8B Instruct
Faster option
GPT-5.5

Strengths

400K context window handles large codebases, lengthy documents, and multi-document research in a single pass

Strong instruction-following and structured output generation, outperforming GPT-4o on complex multi-step tasks

Asymmetric pricing ($1.25 input vs $10 output) rewards prompt-heavy workflows like RAG and document analysis

Reliable tool use and function calling, making it well-suited for agentic pipelines

Weaknesses

Output cost of $10/1M tokens is steep for high-volume generation tasks — Claude Sonnet 4.6 is cheaper for output-heavy workloads

No native image generation; multimodal input only, so it can't compete with Gemini 3.1 Pro on full multimodal output

Not a dedicated reasoning model — falls short of o3 or Gemini 3.1 Pro on deep mathematical or logical benchmarks

Real-world use cases

What people actually use OpenAI: GPT-5.1 for.

Analyzing a 300-page legal contract and extracting key obligations and risk clauses in a single prompt

Building an agentic coding assistant that iterates on a full repository with tool calls and structured JSON outputs

Synthesizing findings from 20+ research papers loaded into context for a literature review draft

Price History

OpenAI: GPT-5.1 pricing over time

→0% since May 9

$1.35$1.30$1.25$1.20$1.15May 9May 18May 29Jun 7Jun 17Jun 26

48 data points · tracked daily since May 9, 2026

Ready to try it?

Start using OpenAI: GPT-5.1

Teams needing reliable, high-quality outputs across coding, writing, and analysis without paying premium GPT-5 prices.. Start free — no card required.

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Recommendations are made independently based on real-world use and public benchmarks. See our disclosures for details.

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Similar models worth checking before you commit.

OpenAIPremium

GPT-5.5

OpenAI's latest agentic flagship for coding, research, computer-use workflows, and long multi-step knowledge work.

Verdict
Best OpenAI flagship for agentic coding, research, and computer-use work.
Quality score
94%
Pricing
$30.00/1M in
$180.00/1M out
Speed
Balanced
Best for agentic coding, computer-use workflows, and complex research tasks
Context
1M tokens
Ranked from public benchmark and pricing data verified April 26, 2026: SWE-Bench Pro 58.6%, Terminal-Bench 2.0 82.7%, $5/$30 per 1M tokens, 1M API context.
AgenticCodingComputer useLong contextPremium
Best for
Agentic coding, computer-use workflows, and complex research tasks
View model
OpenAIPremium

OpenAI: GPT-4 Turbo

GPT-4 Turbo is OpenAI's high-capability flagship model featuring a 128K context window, trained on data up to April 2024. It delivers strong reasoning, coding, and instruction-following across complex tasks.

Verdict
A capable but aging flagship that has been outpaced by cheaper, faster successors in OpenAI's own lineup.
Quality score
75%
Pricing
$10.00/1M in
$30.00/1M out
Speed
Balanced
Best for complex multi-step tasks requiring deep reasoning, long document analysis, or sophisticated code generation where cost is secondary to quality.
Context
128k tokens
GPT-4 Turbo is available via the OpenAI API. It has largely been succeeded by GPT-4o, which is faster, supports vision natively, and is cheaper. Organizations should evaluate whether migrating to GPT-4o or o3 makes more sense before building new workflows on this model.
128K contextGPT-4 classfunction callingOpenAIpremium
Best for
Complex multi-step tasks requiring deep reasoning, long document analysis, or sophisticated code generation where cost is secondary to quality.
View model
OpenAIPremium

OpenAI: GPT-4 Turbo (older v1106)

GPT-4 Turbo (v1106) is an older snapshot of OpenAI's flagship GPT-4 Turbo model released in November 2023, offering a 128K context window with strong general-purpose reasoning and instruction-following capabilities. It predates later GPT-4 Turbo updates and GPT-4o, making it a legacy choice for workflows locked to this specific version.

Verdict
A reliable but outdated GPT-4 snapshot that only makes sense when version pinning is a hard requirement.
Quality score
66%
Pricing
$10.00/1M in
$30.00/1M out
Speed
Balanced
Best for teams requiring a pinned, stable version of gpt-4 turbo for reproducible outputs in long-document analysis or complex instruction pipelines.
Context
128k tokens
This is a pinned model snapshot (v1106) and will not receive capability updates. OpenAI may deprecate older snapshots over time. Knowledge cutoff is April 2023. Not recommended for new deployments given the superior cost-performance of GPT-4o and GPT-4.1.
Legacy128K ContextPinned SnapshotGPT-4Premium
Best for
Teams requiring a pinned, stable version of GPT-4 Turbo for reproducible outputs in long-document analysis or complex instruction pipelines.
View model

Change history

Pricing moves, ranking shifts, and capability updates.

New ModelMar 27, 2026

OpenAI: GPT-5.1 — added to UseRightAI

OpenAI: GPT-5.1 (OpenAI) is now indexed. It supersedes GPT-4o. A solid, practical upgrade over GPT-4o that hits the sweet spot between capability and cost — but not the best in any single category.

View model

FAQ

What is OpenAI: GPT-5.1 best for?

OpenAI: GPT-5.1 is best for teams needing reliable, high-quality outputs across coding, writing, and analysis without paying premium gpt-5 prices.. It is a strong fit when that workflow matters more than the tradeoffs around balanced pricing and balanced speed.

When should I avoid OpenAI: GPT-5.1?

You need the highest-tier reasoning (use o3), low-cost bulk generation (use GPT-4o mini or Claude Haiku), or native image output.

What is a cheaper alternative to OpenAI: GPT-5.1?

Meta: Llama 3.1 8B Instruct is the lower-cost option to compare first when you want a similar workflow fit with less token spend.

What is a faster alternative to OpenAI: GPT-5.1?

GPT-5.5 is the better pick when response time matters more than maximum depth or premium quality.

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