Model profile
openai

OpenAI: GPT-5.1

OpenAI: GPT-5.1 is a budget multimodal generalist from openai with a heavy runtime profile, large context posture, and the clearest fit around long-context research / multimodal.

Best for: Long-context research / MultimodalHeavy latencyLarge contextBudget pricing
Intelligence
47.7

Benchmark blend

Coding
27.3

Dev workflow signal

Context
400K Tokens

Large

Input Price
$1.25

Budget tier

Decision snapshot
56

OpenAI: GPT-5.1 currently reads as a budget multimodal option with large context and a heavy runtime profile.

Overall profile
Selective fit
Best for
Long-context research / Multimodal
Latency tier
Heavy
Price tier
Budget
Source coverage
OpenRouterArtificial AnalysisVision signal

Decision Strip

Decision rail before the raw tables

Core buy-side signals stay in one pass. The rest of the page expands only after intelligence, speed, context, and price are clear.

Intelligence
47.7
48

General reasoning and benchmark headroom.

Situational
Speed
111 tok/s
40

TTFT 34.71s

Limited
Context
400K Tokens
88

How much prompt and task state can stay in view.

Above average
Price
$1.25
86

$10.00 output / 1M

Efficient

Editorial Profile

OpenAI: GPT-5.1 in one narrative

Positioning, tradeoffs, and fit are consolidated into one read instead of repeating the same story across separate cards.

Selective fitCoding score 27Math score 38Vision enabled

GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning to allocate computation dynamically, responding quickly to simple queries while spending more depth on complex tasks. The model produces clearer, more grounded explanations with reduced jargon, making it easier to follow even on technical or multi-step problems. Built for broad task coverage, GPT-5.1 delivers consistent gains across math, coding, and structured analysis workloads, with more coherent long-form answers and improved tool-use reliability. It also features refined conversational alignment, enabling warmer, more intuitive responses without compromising precision. GPT-5.1 serves as the primary full-capability successor to GPT-5

Identity

openai multimodal profile

Positioning

Long-context research / Multimodal with large context and heavy runtime.

Cost posture

Efficient spend profile. More comfortable for sustained prompt volume if the capability fit is right.

Strengths
  • Large context headroom supports repo-wide prompts and long research sessions.

  • Vision-capable routing opens up multimodal review and extraction workflows.

Tradeoffs
  • Budget-friendly input pricing is a strength, but raw capability may vary by workload.

  • Latency profile is better for deliberate runs than rapid back-and-forth chat.

Best fit
  • Image-grounded review, multimodal extraction, and UI audit workflows.

  • Long-context summarization, repo analysis, and policy or document review.

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Benchmarks

Grouped by job-to-be-done

Only benchmark categories with actual signal are shown. Secondary values stay as simple definitions instead of nested micro-cards.

General intelligence

Broad reasoning, knowledge depth, and flagship benchmark posture.

Intelligence Index
47.7
MMLU Pro
87.0%
GPQA
87.3%
HLE
5.2%
Coding

Software implementation, debugging quality, and coding benchmark signal.

Coding Index
27.3
LiveCodeBench
0.494
SciCode
36.5%
Math

Formal reasoning, structured problem solving, and competition-style math.

Math Index
38.0
AIME 2025
38.0%
Agent / tool use

Long-horizon execution quality and interactive benchmark evidence.

IFBench
43.2%
TAU2
46.5%
TerminalBench Hard
22.7%
LCR
44.0%

Specs & Pricing

Technical snapshot and cost posture

Specs stay neutral, pricing gets emphasis through values rather than extra containers. Raw provider internals remain in metadata at the end.

Technical snapshot
Context Window
400K Tokens
Vision
Enabled
Modalities
text, image, file->text, file
Tokenizer
GPT
Max Completion
128000
Moderation
Yes
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools
Input Modalities
imagetextfile
Output Modalities
text
Price architecture
Input
per 1M input tokens
$1.25
Output
per 1M output tokens
$10.00
Blended
AA 3:1 mix
$3.44

This model is relatively efficient on price. It is the easier fit when sustained prompt volume matters.

OR Web Search Price
$0.0100
OR Cache Read
$0.00

Metadata

Raw source tables at the end

Verification details remain available, but the page no longer forces them ahead of the editorial read.