Reasoning Models API

Models that reason step by step before answering — useful for maths, planning, multi-step agents and hard code review. One endpoint, one key, the same OpenAI-compatible request.

99 available on LLM API · 106 listed

Model

Released

Input / 1M

Output / 1M

Context

DeepSeek V4.1 Flash

Sep 10, 2026

$0.3

$1.2

1M

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GPT-6 Astra

Sep 4, 2026

$10

$50

1.1M

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Gemini 3.8 Flash

Sep 2, 2026

$0.75

$3.75

1M

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Claude Fable 5.1

Sep 1, 2026

$10

$50

1M

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Qwen3.8 Flash Next

Aug 27, 2026

$0.201

$0.5

262.1K

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GLM-5.3-Flash

Aug 26, 2026

$0.15

$0.5

1M

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GLM-5.3

Aug 14, 2026

$1.4

$4.4

1M

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Gemini 3.7 Flash

Aug 13, 2026

$0.75

$3.75

1M

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Grok 4.6

Aug 12, 2026

$2

$6

500K

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Qwen 3.8 Max

Aug 3, 2026

$2

$6

1M

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DeepSeek V4 Flash 0731

Jul 31, 2026

$0.14

$0.28

1M

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Claude Opus 5

Jul 26, 2026

$5

$25

1M

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Gemini 3.5 Flash Lite

Jul 21, 2026

$0.3

$2.5

1M

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Gemini 3.6 Flash

Jul 21, 2026

$1.5

$7.5

1M

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Kimi K3

Jul 16, 2026

$3

$15

1M

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GPT-5.6 Luna

Jul 9, 2026

$0.2

$1.2

1.1M

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GPT-5.6 Sol

Jul 9, 2026

$5

$30

1.1M

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GPT-5.6 Terra

Jul 9, 2026

$2

$12

1.1M

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Grok 4.5

Jul 8, 2026

$2

$6

500K

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GLM 5.2

Jun 16, 2026

$1.4

$4.4

1M

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Kimi K2.7 Code HighSpeed

Jun 12, 2026

$1.9

$8

262.1K

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Kimi K2.7-Code

Jun 12, 2026

$0.74

$3.5

262.1K

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Claude Fable 5

Jun 9, 2026

$10

$50

1M

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Claude Opus 4.8

May 29, 2026

$5

$25

1M

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MiniMax M3

May 28, 2026

$0.6

$2.4

1M

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Gemini 3.5 Flash

May 19, 2026

$1.5

$9

1M

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Qwen3.7 Max

May 19, 2026

$0.5

$3

1M

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Gemini 3.1 Flash Lite

May 7, 2026

$0.25

$1.5

1M

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ZAYA1-8B

May 6, 2026

—

—

131.1K

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Qwen 3.7 Plus

May 1, 2026

$0.5

$3

1M

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Grok 4.3

Apr 30, 2026

$1.25

$2.5

1M

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DeepSeek V4 Flash

Apr 25, 2026

$0.19

$0.51

1M

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DeepSeek V4 Pro

Apr 25, 2026

$1.74

$3.48

1M

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GPT-5.5

Apr 23, 2026

$5

$30

1.1M

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MiMo V2.5 Pro

Apr 22, 2026

$0.522

$1.044

1M

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Kimi K2.6

Apr 20, 2026

$0.95

$4

262.1K

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Claude Opus 4.7

Apr 16, 2026

$5

$25

1M

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GLM-5V-Turbo

Apr 1, 2026

$1.2

$4

200K

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GLM-5.1

Mar 27, 2026

$1.4

$4.4

202.8K

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GLM 5.1

Mar 27, 2026

$1.2

$4

200K

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GPT-5.4 Mini

Mar 17, 2026

$0.75

$4.5

400K

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GPT-5.4 Nano

Mar 17, 2026

$0.2

$1.25

400K

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GLM-5-Turbo

Mar 16, 2026

$1.2

$4

200K

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GPT-5.4

Mar 5, 2026

$2.5

$15

1.1M

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GPT-5.4 Pro

Mar 5, 2026

$30

$180

1.1M

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Qwen 3.5 9B

Mar 2, 2026

$0.1

$0.15

262.1K

Try it

Gemini 3.1 Flash Image (Preview)

Feb 26, 2026

$0.5

$60

Try it

Gemini 3.1 Pro (Preview)

Feb 19, 2026

$2

$12

1M

Try it

Claude Sonnet 4.6

Feb 17, 2026

$3

$15

200K

Try it

Qwen 3.5 397B A17B

Feb 16, 2026

$0.6

$3.6

262.1K

Try it

GLM-5

Feb 11, 2026

$0.9

$3.1

202.8K

Try it

Claude Opus 4.6

Feb 5, 2026

$5

$25

1M

Try it

GPT-5.3 Codex

Feb 5, 2026

$1.75

$14

400K

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Qwen3 Max 2026-01-23

Jan 23, 2026

$1.2

$6

262.1K

Try it

GPT-5.2 Codex

Jan 14, 2026

$1.75

$14

400K

Try it

MiniMax M2.1

Dec 23, 2025

$0.27

$1.08

204.8K

Try it

MiniMax M2.1 Lightning

Dec 23, 2025

$0.12

$0.48

196.6K

Try it

GLM-4.7

Dec 22, 2025

$0.43

$2.2

204.8K

Try it

GLM-4.7 FlashX

Dec 22, 2025

$0.07

$0.4

200K

Try it

Gemini 3 Flash (Preview)

Dec 17, 2025

$0.5

$3

1M

Try it

GPT-5.2

Dec 11, 2025

$1.75

$14

400K

Try it

GPT-5.2 Chat

Dec 11, 2025

$1.75

$14

128K

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GPT-5.2 Pro

Dec 11, 2025

$21

$168

400K

Try it

GLM-4.6V

Dec 8, 2025

$0.3

$0.9

131.1K

Try it

GLM-4.6V FlashX

Dec 8, 2025

$0.04

$0.4

128K

Try it

GPT-5.1

Nov 12, 2025

$1.25

$10

400K

Try it

GPT-5.1 Codex

Nov 12, 2025

$1.25

$10

400K

Try it

GPT-5.1 Codex Mini

Nov 12, 2025

$0.25

$2

400K

Try it

Claude Opus 4.5

Nov 1, 2025

$5

$25

200K

Try it

MiniMax M2

Oct 23, 2025

$0.2

$1

196.6K

Try it

Qwen 3.6 Plus

Oct 1, 2025

$0.5

$3

1M

Try it

GLM-4.6

Sep 30, 2025

$0.43

$1.74

204.8K

Try it

GPT-5 Codex

Sep 23, 2025

$1.25

$10

400K

Try it

Qwen3 VL 235B A22B Thinking

Sep 23, 2025

$0.5

$2

131.1K

Try it

Qwen3 Next 80B A3B Thinking

Sep 10, 2025

$0.5

$6

131.1K

Try it

Kimi K2.5

Sep 1, 2025

$0.5

$2.8

262.1K

Try it

GLM-4.5V

Aug 11, 2025

$0.6

$1.8

128K

Try it

GPT-5

Aug 7, 2025

$1.25

$10

400K

Try it

GPT-5 Mini

Aug 7, 2025

$0.25

$2

400K

Try it

GPT-5 Nano

Aug 7, 2025

$0.05

$0.4

400K

Try it

GPT-5 Pro

Aug 7, 2025

$15

$120

400K

Try it

Claude Opus 4.1

Aug 5, 2025

$15

$75

200K

Try it

GPT OSS 120B

Aug 5, 2025

$0.15

$0.6

131.1K

Try it

GPT OSS 20B

Aug 5, 2025

$0.07

$0.3

131.1K

Try it

MiniMax M2.7

Aug 1, 2025

$0.3

$1.2

204.8K

Try it

Qwen3 Coder Next

Aug 1, 2025

$0.108

$0.675

262.1K

Try it

GLM-4.5

Jul 28, 2025

$0.6

$2.2

128K

Try it

GLM-4.5 X

Jul 28, 2025

$2.2

$8.9

128K

Try it

Qwen3 30B A3B Thinking 2507

Jul 1, 2025

$0.1

$0.3

262K

Try it

MiniMax M2.5

Jun 1, 2025

$0.3

$1.2

204.8K

Try it

MiniMax M2.5 Highspeed

Jun 1, 2025

$0.6

$2.4

204.8K

Try it

Mistral Small 3.2

Jun 1, 2025

$0.1

$0.3

128K

Try it

Claude Sonnet 4 (2025-05-14)

May 22, 2025

$3

$15

200K

Try it

Gemini 2.5 Flash

May 20, 2025

$0.3

$2.5

1M

Try it

o3

Apr 16, 2025

$2

$8

200K

Try it

Gemini 2.5 Pro

Mar 25, 2025

$1.25

$10

1M

Try it

QwQ Plus

Mar 1, 2025

$0.8

$2.4

131.1K

Try it

o3 Mini

Jan 31, 2025

$1.1

$4.4

200K

Try it

Claude Sonnet 5

—

$2

$10

1M

Try it

Amazon Nova 2 Lite

—

$0.04

$0.16

1M

Try it

Claude Haiku 4.5

—

$1

$5

200K

Try it

Claude Haiku 4.5 (2025-10-01)

—

$1

$5

200K

Try it

Claude Sonnet 4.5

—

$3

$15

200K

Try it

Claude Sonnet 4.5 (2025-09-29)

—

$3

$15

200K

Try it

Qwen3 Max

—

$3

$15

262.1K

Try it

o1

—

$15

$60

200K

Try it