OpenAI model

O3 2025 04 16

O3 2025 04 16 in the public OpenAI catalog.

Provider
OpenAI
Availability
Available
Model ID
o3-2025-04-16
Snapshot
2026-10-07
Evaluation Verdict

OpenAI o3 is the full-scale frontier reasoning flagship (71.7% SWE-bench Verified, 92.4% AIME, 76.2% LiveCodeBench), providing supreme mathematical and algorithmic deduction for complex software architecture.

O3 2025 04 16 Benchmarks & Agentic Accuracy

Verified primary research & developer preference metrics

Primary Sources Verified
SWE-bench Verified
71.7%
High ReasoningOpenAI System Card ↗
LiveCodeBench
76.2%
High ReasoningLiveCodeBench ↗
LMSYS Coding Elo
1415Elo
Coding ArenaLMSYS Arena ↗
AIME 2024 / 2025
92.4%
High ReasoningOpenAI System Card ↗
Pricing ($ / 1M tokens)
$5/ $20
$2.5 cached readStandard API Pricing

What This Means in Real Software Development

  • Frontier reasoning scores: 92.4% on AIME 2024 and 83.3% on GPQA Diamond, surpassing human PhD baselines.
  • Scores 71.7% on SWE-bench Verified, resolving deep architectural bugs and intricate concurrency issues.
  • Full internal chain-of-thought verification prevents reasoning shortcuts and logical hallucination.
  • Ideal for complex compiler optimizations, cryptographic protocol implementations, and high-stakes planning.

Swarm Multi-Agent Topology

Tier 1: Frontier Architect & Deductive SpecialistRole: Primary / Planner

Best Paired With: Gemini 3.8 Flash for fast subagent implementation

Supreme logical accuracy prevents flawed architecture from entering Task Programs. Perfect for root-cause diagnosis of intermittent production failures.

Git Worktree Isolation Advantage:

Executes deep debugging passes in isolated worktrees, testing hypotheses against actual unit test outputs.

What Developers & Practitioners Are Saying

Real-world field observations, production strengths, and developer consensus

Field Consensus

"OpenAI's pinnacle reasoning model. Dominates competitive coding, Olympiad mathematics, and deep algorithmic bottlenecks with unprecedented rigor."

Verified Real-World Strengths

  • Staggering 92.4% on AIME and 77.3% on GPQA Diamond
  • Exceptional SWE-bench Verified (69.1%) with relentless self-correction
  • Solves obscure race conditions, performance bottlenecks, and algorithmic complexity issues

Production Caveats & Gaps

  • Frontier pricing ($5.00/M input, $20.00/M output)
  • Thinking token latency can exceed 60 seconds on complex tasks
  • Hidden chain-of-thought complicates latency-critical interactive workflows
Benchmark Reality Check

What the benchmark tests: Pushes the frontier of contamination-free math, competitive algorithms, and multi-hour deduction.

Production caveat: Prone to overthinking simple syntax tasks if thinking effort is left on 'high'.

Primary Sources & Methodology Citations

Head-to-Head Frontier Comparisons: O3 2025 04 16 vs Rivals

Standardized, side-by-side benchmark & economics comparison against peer models

Flagship Comparative Matrix
ModelRole / TierSWE-benchLiveCodeBenchLMSYS EloAIMEInput / Output
O3 2025 04 16OpenAICurrent
Tier 1: Frontier Architect & Deductive Specialist71.7%76.2%141592.4%$5 / $20
Tier 1: Frontier Large-Context Architect71%62.4%139586.5%$2.5 / $10
Tier 1: Frontier Architect & Planner70.3%59.2%139080%$3 / $15
Tier 1: Frontier Systems Specialist58.5%54.2%137576%$2 / $8
Tier 1: Master Autonomous Architect69.5%74%141891.2%$2.5 / $10

O3 2025 04 16 model overview

O3 2025 04 16 is listed in the public Swarm catalog through OpenAI. This page summarizes the verified catalog fields used by Swarm without claiming real-time access for every provider account.

Provider
OpenAI
Family
O3
Context window
200K tokens
Thinking support
Not supported
Availability status
Available
Catalog ID
openai/o3-2025-04-16
  • File input
  • Image input
  • Text input
  • Text output
  • Reasoning
  • Tools
  • Structured output
  • JSON

Run O3 2025 04 16 in Swarm

Verified CLI workflow & multi-agent architecture

Quickstart Guide →
bash — swarm run
$swarm ctl model set --provider openai --model openai/o3-2025-04-16

# Or switch interactively inside the terminal TUI:

>/models

Subagent Role Matrix

Assign O3 2025 04 16 to specialized system roles in ~/.swarm/config.json:

  • Primary / Planner: Orchestrates full task DAGs and multi-stage pipelines.
  • Coder Subagent: Generates code and unit tests inside private Git worktrees.
  • Finder Subagent: Performs read-only code search, symbol discovery, and mapping.
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Public catalog snapshot. Catalog availability is not a real-time provider status or an access guarantee.